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lm4128 , lm4128q www.ti.com snvs475e ? november 2006 ? revised april 2013 lm4128/lm4128q sot-23 precision micropower series voltage reference check for samples: lm4128 , lm4128q 1 features description ideal for space critical applications, the lm4128 2 ? output voltage initial accuracy 0.1% precision voltage reference is available in the sot-23 ? low temperature coefficient 75 ppm/ c surface-mount package. the lm4128 ? s advanced ? low supply current, 60 a design eliminates the need for an external stabilizing capacitor while ensuring stability with capacitive loads ? enable pin allowing a 3 a shutdown mode up to 10 f, thus making the lm4128 easy to use. ? up to 20 ma output current series references provide lower power consumption ? voltage options 1.8v, 2.048v, 2.5v, 3.0v, 3.3v, than shunt references, since they do not have to idle 4.096v the maximum possible load current under no load ? custom voltage options available (1.8v to conditions. this advantage, the low quiescent current 4.096v) (60 a), and the low dropout voltage (400 mv) make the lm4128 ideal for battery-powered solutions. ? v in range of v ref + 400 mv to 5.5v @10 ma ? stable with low esr ceramic capacitors the lm4128 is available in four grades (a, b, c, and d) for greater flexibility. the best grade devices (a) ? 5-pin sot-23 package have an initial accuracy of 0.1% with ensured ? ? 40 c to 125 c junction temperature range temperature coefficient of 75 ppm/ c or less, while ? lm4128aq/bq/cq/dq are aec-q100 grade 1 the lowest grade parts (d) have an initial accuracy of qualified and are manufactured on an 1.0% and a tempco of 100 ppm/ c. automotive grade flow typical application circuit applications ? instrumentation & process control ? test equipment ? data acquisition systems ? base stations ? servo systems ? portable, battery powered equipment ? automotive & industrial electronics ? precision regulators *note: the capacitor c in is required and ? battery chargers the capacitor c out is optional. ? communications ? medical equipment 1 please be aware that an important notice concerning availability, standard warranty, and use in critical applications of texas instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 all trademarks are the property of their respective owners. production data information is current as of publication date. copyright ? 2006 ? 2013, texas instruments incorporated products conform to specifications per the terms of the texas instruments standard warranty. production processing does not necessarily include testing of all parameters. lm4128 input output vref en gnd enable c in c out * * vin
lm4128 , lm4128q snvs475e ? november 2006 ? revised april 2013 www.ti.com connection diagram 5-pin sot-23 package ? top view see package number dbv (r-pdso-g5) pin descriptions pin # name function 1 n/c no connect pin, leave floating 2 gnd ground 3 en enable pin 4 vin input supply 5 vref reference output these devices have limited built-in esd protection. the leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the mos gates. absolute maximum ratings (1) maximum voltage on any input -0.3 to 6v output short circuit duration indefinite power dissipation (t a = 25 c) (2) 350 mw storage temperature range ? 65 c to 150 c (soldering, 10sec) 260 c lead temperature vapor phase (60 sec) 215 c infrared (15sec) 220 c esd susceptibility (3) human body model 2 kv (1) absolute maximum ratings indicate limits beyond which damage may occur to the device. operating ratings indicate conditions for which the device is intended to be functional, but do not ensure specific performance limits. for ensured specifications, see electrical characteristics. (2) without pcb copper enhancements. the maximum power dissipation must be de-rated at elevated temperatures and is limited by t jmax (maximum junction temperature), j-a (junction to ambient thermal resistance) and t a (ambient temperature). the maximum power dissipation at any temperature is: p dissmax = (t jmax - t a ) / j-a up to the value listed in the absolute maximum ratings. j-a for sot-23 package is 220 c/w, t jmax = 125 c. (3) the human body model is a 100 pf capacitor discharged through a 1.5 k ? resistor into each pin. operating ratings maximum input supply voltage 5.5v maximum enable input voltage v in maximum load current 20ma junction temperature range (t j ) ? 40 c to +125 c 2 submit documentation feedback copyright ? 2006 ? 2013, texas instruments incorporated product folder links: lm4128 lm4128q vin 1 2 3 54 en gnd n/c vref
lm4128 , lm4128q www.ti.com snvs475e ? november 2006 ? revised april 2013 electrical characteristics lm4128-1.8 (v out = 1.8v) limits in standard type are for t j = 25 c only, and limits in boldface type apply over the junction temperature (t j ) range of - 40 c to +125 c unless otherwise specified. minimum and maximum limits are ensured through test, design, or statistical correlation. typical values represent the most likely parametric norm at t j = 25 c, and are provided for reference purposes only. unless otherwise specified v in = 5v and i load = 0a. symbol parameter conditions min (1) typ (2) max (1) unit v ref output voltage initial accuracy lm4128a-1.8 (a grade - 0.1%) -0.1 +0.1 lm4128b-1.8 (b grade - 0.2%) -0.2 +0.2 % lm4128c-1.8 (c grade - 0.5%) -0.5 +0.5 lm4128d-1.8 (d grade - 1.0%) -1.0 +1.0 tcv ref / c (3) lm4128a-1.8 75 lm4128b-1.8 75 temperature coefficient ppm / c lm4128c-1.8 100 lm4128d-1.8 100 i q supply current 60 100 a i q_sd supply current in shutdown en = 0v 3 7 a v ref / v in line regulation v ref + 400 mv v in 5.5v 30 ppm / v v ref / i load load regulation 0 ma i load 20 ma 25 120 ppm / ma v ref long term stability (4) 1000 hrs 50 ppm thermal hysteresis (5) -40 c t j +125 c 75 v in - v ref dropout voltage (6) i load = 10 ma 200 400 mv v n output noise voltage 0.1 hz to 10 hz 170 v pp i sc short circuit current 75 ma v il enable pin maximum low input level 35 %v v ih enable pin minimum high input level 65 %v (1) limits are 100% production tested at 25 c. limits over the operating temperature range are ensured through correlation using statistical quality control. (2) typical numbers are at 25 c and represent the most likely parametric norm. (3) temperature coefficient is measured by the " box " method; i.e., the maximum v ref is divided by the maximum t. (4) long term stability is v ref @25 c measured during 1000 hrs. (5) thermal hysteresis is defined as the change in +25 c output voltage before and after cycling the device from (-40 c to 125 c). (6) dropout voltage is defined as the minimum input to output differential at which the output voltage drops by 0.5% below the value measured with a 5v input. copyright ? 2006 ? 2013, texas instruments incorporated submit documentation feedback 3 product folder links: lm4128 lm4128q
lm4128 , lm4128q snvs475e ? november 2006 ? revised april 2013 www.ti.com electrical characteristics lm4128-2.0 (v out = 2.048v) limits in standard type are for t j = 25 c only, and limits in boldface type apply over the junction temperature (t j ) range of - 40 c to +125 c unless otherwise specified. minimum and maximum limits are ensured through test, design, or statistical correlation. typical values represent the most likely parametric norm at t j = 25 c, and are provided for reference purposes only. unless otherwise specified v in = 5v and i load = 0a. symbol parameter conditions min (1) typ (2) max (1) unit v ref output voltage initial accuracy lm4128a-2.0 (a grade - 0.1%) -0.1 +0.1 lm4128b-2.0 (b grade - 0.2%) -0.2 +0.2 % lm4128c-2.0 (c grade - 0.5%) -0.5 +0.5 lm4128d-2.0 (d grade - 1.0%) -1.0 +1.0 tcv ref / c (3) lm4128a-2.0 75 lm4128b-2.0 75 temperature coefficient ppm / c lm4128c-2.0 100 lm4128d-2.0 100 i q supply current 60 100 a i q_sd supply current in shutdown en = 0v 3 7 a v ref / v in line regulation v ref + 400 mv v in 5.5v 30 ppm / v v ref / i load load regulation 0 ma i load 20 ma 25 120 ppm / ma v ref long term stability (4) 1000 hrs 50 ppm thermal hysteresis (5) -40 c t j +125 c 75 v in - v ref dropout voltage (6) i load = 10 ma 175 400 mv v n output noise voltage 0.1 hz to 10 hz 190 v pp i sc short circuit current 75 ma v il enable pin maximum low input level 35 %v v ih enable pin minimum high input level 65 %v (1) limits are 100% production tested at 25 c. limits over the operating temperature range are ensured through correlation using statistical quality control. (2) typical numbers are at 25 c and represent the most likely parametric norm. (3) temperature coefficient is measured by the " box " method; i.e., the maximum v ref is divided by the maximum t. (4) long term stability is v ref @25 c measured during 1000 hrs. (5) thermal hysteresis is defined as the change in +25 c output voltage before and after cycling the device from (-40 c to 125 c). (6) dropout voltage is defined as the minimum input to output differential at which the output voltage drops by 0.5% below the value measured with a 5v input. 4 submit documentation feedback copyright ? 2006 ? 2013, texas instruments incorporated product folder links: lm4128 lm4128q
lm4128 , lm4128q www.ti.com snvs475e ? november 2006 ? revised april 2013 electrical characteristics lm4128-2.5 (v out = 2.5v) limits in standard type are for t j = 25 c only, and limits in boldface type apply over the junction temperature (t j ) range of - 40 c to +125 c unless otherwise specified. minimum and maximum limits are ensured through test, design, or statistical correlation. typical values represent the most likely parametric norm at t j = 25 c, and are provided for reference purposes only. unless otherwise specified v in = 5v and i load = 0a. symbol parameter conditions min (1) typ (2) max (1) unit v ref output voltage initial accuracy lm4128a-2.5 (a grade - 0.1%) -0.1 +0.1 lm4128b-2.5 (b grade - 0.2%) -0.2 +0.2 % lm4128c-2.5 (c grade - 0.5%) -0.5 +0.5 lm4128d-2.5 (d grade - 1.0%) -1.0 +1.0 tcv ref / c (3) lm4128a-2.5 75 lm4128b-2.5 75 temperature coefficient ppm / c lm4128c-2.5 100 lm4128d-2.5 100 i q supply current 60 100 a i q_sd supply current in shutdown en = 0v 3 7 a v ref / v in line regulation v ref + 400 mv v in 5.5v 50 ppm / v v ref / i load load regulation 0 ma i load 20 ma 25 120 ppm / ma v ref long term stability (4) 1000 hrs 50 ppm thermal hysteresis (5) -40 c t j +125 c 75 v in - v ref dropout voltage (6) i load = 10 ma 175 400 mv v n output noise voltage 0.1 hz to 10 hz 275 v pp i sc short circuit current 75 ma v il enable pin maximum low input level 35 %v v ih enable pin minimum high input level 65 %v (1) limits are 100% production tested at 25 c. limits over the operating temperature range are ensured through correlation using statistical quality control. (2) typical numbers are at 25 c and represent the most likely parametric norm. (3) temperature coefficient is measured by the " box " method; i.e., the maximum v ref is divided by the maximum t. (4) long term stability is v ref @25 c measured during 1000 hrs. (5) thermal hysteresis is defined as the change in +25 c output voltage before and after cycling the device from (-40 c to 125 c). (6) dropout voltage is defined as the minimum input to output differential at which the output voltage drops by 0.5% below the value measured with a 5v input. copyright ? 2006 ? 2013, texas instruments incorporated submit documentation feedback 5 product folder links: lm4128 lm4128q
lm4128 , lm4128q snvs475e ? november 2006 ? revised april 2013 www.ti.com electrical characteristics lm4128-3.0 (v out = 3.0v) limits in standard type are for t j = 25 c only, and limits in boldface type apply over the junction temperature (t j ) range of - 40 c to +125 c unless otherwise specified. minimum and maximum limits are ensured through test, design, or statistical correlation. typical values represent the most likely parametric norm at t j = 25 c, and are provided for reference purposes only. unless otherwise specified v in = 5v and i load = 0a. symbol parameter conditions min (1) typ (2) max (1) unit v ref output voltage initial accuracy lm4128a-3.0 (a grade - 0.1%) -0.1 +0.1 lm4128b-3.0 (b grade - 0.2%) -0.2 +0.2 % lm4128c-3.0 (c grade - 0.5%) -0.5 +0.5 lm4128d-3.0 (d grade - 1.0%) -1.0 +1.0 tcv ref / c (3) lm4128a-3.0 75 lm4128b-3.0 75 temperature coefficient ppm / c lm4128c-3.0 100 lm4128d-3.0 100 i q supply current 60 100 a i q_sd supply current in shutdown en = 0v 3 7 a v ref / v in line regulation v ref + 400 mv v in 5.5v 70 ppm / v v ref / i load load regulation 0 ma i load 20 ma 25 120 ppm / ma v ref long term stability (4) 1000 hrs 50 ppm thermal hysteresis (5) -40 c t j +125 c 75 v in - v ref dropout voltage (6) i load = 10 ma 175 400 mv v n output noise voltage 0.1 hz to 10 hz 285 v pp i sc short circuit current 75 ma v il enable pin maximum low input level 35 %v v ih enable pin minimum high input level 65 %v (1) limits are 100% production tested at 25 c. limits over the operating temperature range are ensured through correlation using statistical quality control. (2) typical numbers are at 25 c and represent the most likely parametric norm. (3) temperature coefficient is measured by the " box " method; i.e., the maximum v ref is divided by the maximum t. (4) long term stability is v ref @25 c measured during 1000 hrs. (5) thermal hysteresis is defined as the change in +25 c output voltage before and after cycling the device from (-40 c to 125 c). (6) dropout voltage is defined as the minimum input to output differential at which the output voltage drops by 0.5% below the value measured with a 5v input. 6 submit documentation feedback copyright ? 2006 ? 2013, texas instruments incorporated product folder links: lm4128 lm4128q
lm4128 , lm4128q www.ti.com snvs475e ? november 2006 ? revised april 2013 electrical characteristics lm4128-3.3 (v out = 3.3v) limits in standard type are for t j = 25 c only, and limits in boldface type apply over the junction temperature (t j ) range of - 40 c to +125 c unless otherwise specified. minimum and maximum limits are ensured through test, design, or statistical correlation. typical values represent the most likely parametric norm at t j = 25 c, and are provided for reference purposes only. unless otherwise specified v in = 5v and i load = 0a. symbol parameter conditions min (1) typ (2) max (1) unit v ref output voltage initial accuracy lm4128a-3.3 (a grade - 0.1%) -0.1 +0.1 lm4128b-3.3 (b grade - 0.2%) -0.2 +0.2 % lm4128c-3.3 (c grade - 0.5%) -0.5 +0.5 lm4128d-3.3 (d grade - 1.0%) -1.0 +1.0 tcv ref / c (3) lm4128a-3.3 75 lm4128b-3.3 75 temperature coefficient ppm / c lm4128c-3.3 100 lm4128d-3.3 100 i q supply current 60 100 a i q_sd supply current in shutdown en = 0v 3 7 a v ref / v in line regulation v ref + 400 mv v in 5.5v 85 ppm / v v ref / i load load regulation 0 ma i load 20 ma 25 120 ppm / ma v ref long term stability (4) 1000 hrs 50 ppm thermal hysteresis (5) -40 c t j +125 c 75 v in - v ref dropout voltage (6) i load = 10 ma 175 400 mv v n output noise voltage 0.1 hz to 10 hz 310 v pp i sc short circuit current 75 ma v il enable pin maximum low input level 35 %v v ih enable pin minimum high input level 65 %v (1) limits are 100% production tested at 25 c. limits over the operating temperature range are ensured through correlation using statistical quality control. (2) typical numbers are at 25 c and represent the most likely parametric norm. (3) temperature coefficient is measured by the " box " method; i.e., the maximum v ref is divided by the maximum t. (4) long term stability is v ref @25 c measured during 1000 hrs. (5) thermal hysteresis is defined as the change in +25 c output voltage before and after cycling the device from (-40 c to 125 c). (6) dropout voltage is defined as the minimum input to output differential at which the output voltage drops by 0.5% below the value measured with a 5v input. copyright ? 2006 ? 2013, texas instruments incorporated submit documentation feedback 7 product folder links: lm4128 lm4128q
lm4128 , lm4128q snvs475e ? november 2006 ? revised april 2013 www.ti.com electrical characteristics lm4128-4.1 (v out = 4.096v) limits in standard type are for t j = 25 c only, and limits in boldface type apply over the junction temperature (t j ) range of - 40 c to +125 c unless otherwise specified. minimum and maximum limits are ensured through test, design, or statistical correlation. typical values represent the most likely parametric norm at t j = 25 c, and are provided for reference purposes only. unless otherwise specified v in = 5v and i load = 0a. symbol parameter conditions min (1) typ (2) max (1) unit v ref output voltage initial accuracy lm4128a-4.1 (a grade - 0.1%) -0.1 +0.1 lm4128b-4.1 (b grade - 0.2%) -0.2 +0.2 % lm4128c-4.1 (c grade - 0.5%) -0.5 +0.5 lm4128d-4.1 (d grade - 1.0%) -1.0 +1.0 tcv ref / c (3) lm4128a-4.1 75 lm4128b-4.1 75 temperature coefficient ppm / c lm4128c-4.1 100 lm4128d-4.1 100 i q supply current 60 100 a i q_sd supply current in shutdown en = 0v 3 7 a v ref / v in line regulation v ref + 400 mv v in 5.5v 100 ppm / v v ref / i load load regulation 0 ma i load 20 ma 25 120 ppm / ma v ref long term stability (4) 1000 hrs 50 ppm thermal hysteresis (5) -40 c t j +125 c 75 v in - v ref dropout voltage (6) i load = 10 ma 175 400 mv v n output noise voltage 0.1 hz to 10 hz 350 v pp i sc short circuit current 75 ma v il enable pin maximum low input level 35 %v v ih enable pin minimum high input level 65 %v (1) limits are 100% production tested at 25 c. limits over the operating temperature range are ensured through correlation using statistical quality control. (2) typical numbers are at 25 c and represent the most likely parametric norm. (3) temperature coefficient is measured by the " box " method; i.e., the maximum v ref is divided by the maximum t. (4) long term stability is v ref @25 c measured during 1000 hrs. (5) thermal hysteresis is defined as the change in +25 c output voltage before and after cycling the device from (-40 c to 125 c). (6) dropout voltage is defined as the minimum input to output differential at which the output voltage drops by 0.5% below the value measured with a 5v input. 8 submit documentation feedback copyright ? 2006 ? 2013, texas instruments incorporated product folder links: lm4128 lm4128q
lm4128 , lm4128q www.ti.com snvs475e ? november 2006 ? revised april 2013 typical performance characteristics for 2.5v output voltage vs temperature load regulation figure 1. figure 2. line regulation 0.1 - 10 hz noise figure 3. figure 4. output voltage noise spectrum power supply rejection ratio vs frequency figure 5. figure 6. copyright ? 2006 ? 2013, texas instruments incorporated submit documentation feedback 9 product folder links: lm4128 lm4128q 10 100 1000 10000 frequency (hz) output noise voltage ( p vrms/rt(hz)) 4.096v 3.3v 3.0v 2.5v 2.0v 1.8v 0 5 10 15 20 25 30 35 10 100 1k 10k 100k 1m 0 90 power supply rejection ratio (db) frequency (hz) 10 20 30 40 50 60 70 80 c out = 1 p f no c out c out = 0 . 1 p f -40 -20 0 20 40 60 80 100 120 temperature ( o c) 2.4925 2.495 2.4975 2.5 2.5025 2.505 2.5075 output voltage (v) 5 typical units 3.0 3.5 4.0 4.5 5.0 5.5 2.497 2.498 2.499 2.500 2.501 2.502 output voltage (v) input voltage (v) 125c 25c -40c 1 10 100 1000 10000 100000 output voltage (v) load current ( p a) 2.496 2.497 2.498 2.499 2.500 2.501 2.502 2.503 2.504 2.505 2.506 -40c 25c 125c
lm4128 , lm4128q snvs475e ? november 2006 ? revised april 2013 www.ti.com typical performance characteristics for 2.5v (continued) dropout vs load to 0.5% accuracy typical long term stability figure 7. figure 8. supply current vs input voltage shutdown i q vs input voltage figure 9. figure 10. ground current vs load current line transient response v in = 3v to 5v figure 11. figure 12. 10 submit documentation feedback copyright ? 2006 ? 2013, texas instruments incorporated product folder links: lm4128 lm4128q 0 1 2 3 4 5 0 10 20 30 40 50 60 70 80 90 100 supply current ( p a) input voltage (v) 0 200 400 600 800 1000 -200 -150 -100 -50 0 50 100 150 200 drift (ppm) time (hours) 1 typical unit from each voltage option 0 5 10 15 20 0 600 v dropout (mv) load current (ma) 200 400 125 c 25 c -40 c 0 20 0 10 20 30 40 50 60 70 80 90 100 ground current ( p a) load current (ma) 5 10 15 125 o c 25 o c -40 o c 2.0 2.5 3.0 3.5 4.0 4.5 5.0 input voltage (v) 2.0 2.5 3.0 3.5 4.0 4.5 5.0 shutdown i q ( p a) 125c 25c -40c 5.5
lm4128 , lm4128q www.ti.com snvs475e ? november 2006 ? revised april 2013 typical performance characteristics for 2.5v (continued) load transient response i load = 0 to 10ma short-circuit protection and recovery figure 13. figure 14. start-up response figure 15. copyright ? 2006 ? 2013, texas instruments incorporated submit documentation feedback 11 product folder links: lm4128 lm4128q
lm4128 , lm4128q snvs475e ? november 2006 ? revised april 2013 www.ti.com application information theory of operation the foundation of any voltage reference is the band-gap circuit. while the reference in the lm4128 is developed from the gate-source voltage of transistors in the ic, principles of the band-gap circuit are easily understood using a bipolar example. for a detailed analysis of the bipolar band-gap circuit, see the an-56 application report ( snva514 ) . supply and enable voltages to ensure proper operation, v en and v in must be within a specified range. an acceptable range of input voltages is v in > v ref + 400 mv (i load 10 ma) (1) the enable pin uses an internal pull-up current source (i pull_up ? 2 a) that may be left floating or triggered by an external source. if the part is not enabled by an external source, it may be connected to v in . an acceptable range of enable voltages is given by the enable transfer characteristics. see the electrical characteristics section and enable transfer characteristics figure for more detail. note, the part will not operate correctly for v en > v in . component selection a small ceramic (x5r or x7r) capacitor on the input must be used to ensure stable operation. the value of c in must be sized according to the output capacitor value. the value of c in must satisfy the relationship c in c out . when no output capacitor is used, c in must have a minimum value of 0.1 f. noise on the power-supply input may affect the output noise. larger input capacitor values (typically 4.7 f to 22 f) may help reduce noise on the output and significantly reduce overshoot during startup. use of an additional optional bypass capacitor between the input and ground may help further reduce noise on the output. with an input capacitor, the lm4128 will drive any combination of resistance and capacitance up to v ref /20 ma and 10 f respectively. the lm4128 is designed to operate with or without an output capacitor and is stable with capacitive loads up to 10 f. connecting a capacitor between the output and ground will significantly improve the load transient response when switching from a light load to a heavy load. the output capacitor should not be made arbitrarily large because it will effect the turn-on time as well as line and load transients. while a variety of capacitor chemistry types may be used, it is typically advisable to use low esr ceramic capacitors. such capacitors provide a low impedance to high frequency signals, effectively bypassing them to ground. bypass capacitors should be mounted close to the part. mounting bypass capacitors close to the part will help reduce the parasitic trace components thereby improving performance. short circuited output the lm4128 features indefinite short circuit protection. this protection limits the output current to 75 ma when the output is shorted to ground. turn on time turn on time is defined as the time taken for the output voltage to rise to 90% of the preset value. the turn on time depends on the load. the turn on time is typically 33.2 s when driving a 1 f load and 78.8 s when driving a 10 f load. some users may experience an extended turn on time (up to 10 ms) under brown out conditions and low temperatures (-40 c). thermal hysteresis thermal hysteresis is defined as the change in output voltage at 25 o c after some deviation from 25 o c. this is to say that thermal hysteresis is the difference in output voltage between two points in a given temperature profile. an illustrative temperature profile is shown in figure 16 . 12 submit documentation feedback copyright ? 2006 ? 2013, texas instruments incorporated product folder links: lm4128 lm4128q
lm4128 , lm4128q www.ti.com snvs475e ? november 2006 ? revised april 2013 figure 16. illustrative temperature profile this may be expressed analytically as the following: where ? v hys = thermal hysteresis expressed in ppm ? v ref = nominal preset output voltage ? v ref1 = v ref before temperature fluctuation ? v ref2 = v ref after temperature fluctuation (2) the lm4128 features a low thermal hysteresis of 190 v from -40 c to 125 c. temperature coefficient temperature drift is defined as the maximum deviation in output voltage over the operating temperature range. this deviation over temperature may be illustrated as shown in figure 17 . figure 17. illustrative temperature coefficient profile copyright ? 2006 ? 2013, texas instruments incorporated submit documentation feedback 13 product folder links: lm4128 lm4128q temperature range voltage temperature v ref_max change in output voltage v ref_min v hys = lv ref1 - v ref2 l v ref x 10 3 mv -40c v ref1 time v ref2 25c 125c
lm4128 , lm4128q snvs475e ? november 2006 ? revised april 2013 www.ti.com temperature coefficient may be expressed analytically as the following: where ? t d = temperature drift ? v ref = nominal preset output voltage ? v ref_min = minimum output voltage over operating temperature range ? v ref_max = maximum output voltage over operating temperature range ? t = operating temperature range (3) the lm4128 features a low temperature drift of 75 ppm (max) to 100 ppm (max), depending on the grade, from - 40 c to 125 c. long term stability long-term stability refers to the fluctuation in output voltage over a long period of time (1000 hours). the lm4128 features a typical long-term stability of 50 ppm over 1000 hours. the measurements are made using 5 units of each voltage option, at a nominal input voltage (5v), with no load, at room temperature. expression of electrical characteristics electrical characteristics are typically expressed in mv, ppm, or a percentage of the nominal value. depending on the application, one expression may be more useful than the other. to convert one quantity to the other one may apply the following: ppm to mv error in output voltage: where ? v ref is in volts (v) and v error is in milli-volts (mv) (4) bit error (1 bit) to voltage error (mv): where ? v ref is in volts (v) ? v error is in milli-volts (mv) ? and n is the number of bits (5) mv to ppm error in output voltage: where ? v ref is in volts (v) ? v error is in milli-volts (mv) (6) voltage error (mv) to percentage error (percent): where ? v ref is in volts (v) ? v error is in milli-volts (mv) (7) 14 submit documentation feedback copyright ? 2006 ? 2013, texas instruments incorporated product folder links: lm4128 lm4128q x 0.1 v ref = percent_error v error x 10 3 v ref = ppm error v error x 10 3 v ref 2 n = v error = v error 10 3 v ref x ppm error t d = v ref x ' t x 10 6 ppm (v ref_max - v ref_min )
lm4128 , lm4128q www.ti.com snvs475e ? november 2006 ? revised april 2013 printed circuit board and layout considerations references in sot packages are generally less prone to pc board mounting than devices in small outline (soic) packages. to minimize the mechanical stress due to pc board mounting that can cause the output voltage to shift from its initial value, mount the reference on a low flex area of the pc board, such as near the edge or a corner. the part may be isolated mechanically by cutting a u shape slot on the pcb for mounting the device. this approach also provides some thermal isolation from the rest of the circuit. bypass capacitors must be mounted close to the part. mounting bypass capacitors close to the part will reduce the parasitic trace components thereby improving performance. typical application circuits figure 18. voltage reference with complimentary output figure 19. precision voltage reference with force and sense output figure 20. programmable current source copyright ? 2006 ? 2013, texas instruments incorporated submit documentation feedback 15 product folder links: lm4128 lm4128q lm4128 v in en gnd v ref input enable output c in r 1 500 : r set 1 k : i out r l 0.1 f i gnd i out = (v ref /(r 1 + r set )) + i gnd lm4128 v in en gnd v ref input enable +5v 100 k : 0.1 f v v ref_force ref_sense c in lm4128 v in en gnd v ref input enable v ref c in c out r r r/2 -v ref +5v -5v 4.7 f < c out < 10 f
lm4128 , lm4128q snvs475e ? november 2006 ? revised april 2013 www.ti.com revision history changes from revision d (april 2013) to revision e page ? changed layout of national data sheet to ti format .......................................................................................................... 15 16 submit documentation feedback copyright ? 2006 ? 2013, texas instruments incorporated product folder links: lm4128 lm4128q
package option addendum www.ti.com 13-sep-2014 addendum-page 1 packaging information orderable device status (1) package type package drawing pins package qty eco plan (2) lead/ball finish (6) msl peak temp (3) op temp (c) device marking (4/5) samples lm4128amf-1.8/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5aa lm4128amf-2.0/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5ba lm4128amf-2.5/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5ca lm4128amf-3.0/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5da lm4128amf-3.3/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5ea lm4128amf-4.1/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5fa lm4128amfx-1.8/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5aa lm4128amfx-2.0/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5ba lm4128amfx-2.5/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5ca lm4128amfx-3.0/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5da lm4128amfx-3.3/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5ea lm4128amfx-4.1/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim r5fa lm4128aq1mf1.8/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6aa lm4128aq1mf2.0/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6ba lm4128aq1mf2.5/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6ca lm4128aq1mf3.0/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6da lm4128aq1mf3.3/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6ea
package option addendum www.ti.com 13-sep-2014 addendum-page 2 orderable device status (1) package type package drawing pins package qty eco plan (2) lead/ball finish (6) msl peak temp (3) op temp (c) device marking (4/5) samples lm4128aq1mf4.1/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6fa lm4128aq1mfx1.8/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6aa lm4128aq1mfx2.0/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6ba lm4128aq1mfx2.5/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6ca lm4128aq1mfx3.0/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6da lm4128aq1mfx3.3/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6ea lm4128aq1mfx4.1/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6fa lm4128bmf-1.8/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5ab lm4128bmf-2.0/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5bb lm4128bmf-2.5 nrnd sot-23 dbv 5 1000 tbd call ti call ti -40 to 125 r5cb lm4128bmf-2.5/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5cb lm4128bmf-3.0/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5db lm4128bmf-3.3/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5eb lm4128bmf-4.1/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5fb lm4128bmfx-1.8/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5ab lm4128bmfx-2.0/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5bb lm4128bmfx-2.5/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5cb lm4128bmfx-3.0/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5db
package option addendum www.ti.com 13-sep-2014 addendum-page 3 orderable device status (1) package type package drawing pins package qty eco plan (2) lead/ball finish (6) msl peak temp (3) op temp (c) device marking (4/5) samples lm4128bmfx-3.3/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5eb lm4128bmfx-4.1/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5fb lm4128bq1mf1.8/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6ab lm4128bq1mf2.0/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6bb lm4128bq1mf2.5/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6cb lm4128bq1mf3.0/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6db lm4128bq1mf3.3/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6eb lm4128bq1mf4.1/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6fb lm4128bq1mfx1.8/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6ab lm4128bq1mfx2.0/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6bb lm4128bq1mfx2.5/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6cb lm4128bq1mfx3.0/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6db lm4128bq1mfx3.3/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6eb lm4128bq1mfx4.1/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6fb lm4128cmf-1.8/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5ac lm4128cmf-2.0/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5bc lm4128cmf-2.5/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5cc lm4128cmf-3.0/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5dc
package option addendum www.ti.com 13-sep-2014 addendum-page 4 orderable device status (1) package type package drawing pins package qty eco plan (2) lead/ball finish (6) msl peak temp (3) op temp (c) device marking (4/5) samples lm4128cmf-3.3/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5ec lm4128cmf-4.1/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5fc lm4128cmfx-1.8/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5ac lm4128cmfx-2.0/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5bc lm4128cmfx-2.5/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5cc lm4128cmfx-3.0/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5dc lm4128cmfx-3.3/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5ec lm4128cmfx-4.1/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5fc lm4128cq1mf1.8/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6ac lm4128cq1mf2.0/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6bc lm4128cq1mf2.5/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6cc lm4128cq1mf3.0/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6dc lm4128cq1mf3.3/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6ec lm4128cq1mf4.1/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6fc lm4128cq1mfx1.8/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6ac lm4128cq1mfx2.0/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6bc lm4128cq1mfx2.5/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6cc lm4128cq1mfx3.0/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6dc
package option addendum www.ti.com 13-sep-2014 addendum-page 5 orderable device status (1) package type package drawing pins package qty eco plan (2) lead/ball finish (6) msl peak temp (3) op temp (c) device marking (4/5) samples lm4128cq1mfx3.3/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6ec lm4128cq1mfx4.1/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6fc lm4128dmf-1.8/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5ad lm4128dmf-2.0/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5bd lm4128dmf-2.5/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5cd lm4128dmf-3.0/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5dd lm4128dmf-3.3/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5ed lm4128dmf-4.1/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5fd lm4128dmfx-1.8/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5ad lm4128dmfx-2.0/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5bd lm4128dmfx-2.5/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5cd lm4128dmfx-3.0/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5dd lm4128dmfx-3.3/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5ed lm4128dmfx-4.1/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r5fd lm4128dq1mf1.8/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6ad lm4128dq1mf2.0/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6bd lm4128dq1mf2.5/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6cd lm4128dq1mf3.0/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6dd
package option addendum www.ti.com 13-sep-2014 addendum-page 6 orderable device status (1) package type package drawing pins package qty eco plan (2) lead/ball finish (6) msl peak temp (3) op temp (c) device marking (4/5) samples lm4128dq1mf3.3/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6ed lm4128dq1mf4.1/nopb active sot-23 dbv 5 1000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6fd lm4128dq1mfx1.8/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6ad lm4128dq1mfx2.0/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6bd lm4128dq1mfx2.5/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6cd lm4128dq1mfx3.0/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6dd lm4128dq1mfx3.3/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6ed lm4128dq1mfx4.1/nopb active sot-23 dbv 5 3000 green (rohs & no sb/br) cu sn level-1-260c-unlim -40 to 125 r6fd (1) the marketing status values are defined as follows: active: product device recommended for new designs. lifebuy: ti has announced that the device will be discontinued, and a lifetime-buy period is in effect. nrnd: not recommended for new designs. device is in production to support existing customers, but ti does not recommend using this part in a new design. preview: device has been announced but is not in production. samples may or may not be available. obsolete: ti has discontinued the production of the device. (2) eco plan - the planned eco-friendly classification: pb-free (rohs), pb-free (rohs exempt), or green (rohs & no sb/br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. tbd: the pb-free/green conversion plan has not been defined. pb-free (rohs): ti's terms "lead-free" or "pb-free" mean semiconductor products that are compatible with the current rohs requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. where designed to be soldered at high temperatures, ti pb-free products are suitable for use in specified lead-free processes. pb-free (rohs exempt): this component has a rohs exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. the component is otherwise considered pb-free (rohs compatible) as defined above. green (rohs & no sb/br): ti defines "green" to mean pb-free (rohs compatible), and free of bromine (br) and antimony (sb) based flame retardants (br or sb do not exceed 0.1% by weight in homogeneous material) (3) msl, peak temp. - the moisture sensitivity level rating according to the jedec industry standard classifications, and peak solder temperature. (4) there may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device.
package option addendum www.ti.com 13-sep-2014 addendum-page 7 (5) multiple device markings will be inside parentheses. only one device marking contained in parentheses and separated by a "~" will appear on a device. if a line is indented then it is a continuation of the previous line and the two combined represent the entire device marking for that device. (6) lead/ball finish - orderable devices may have multiple material finish options. finish options are separated by a vertical ruled line. lead/ball finish values may wrap to two lines if the finish value exceeds the maximum column width. important information and disclaimer: the information provided on this page represents ti's knowledge and belief as of the date that it is provided. ti bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. efforts are underway to better integrate information from third parties. ti has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. ti and ti suppliers consider certain information to be proprietary, and thus cas numbers and other limited information may not be available for release. in no event shall ti's liability arising out of such information exceed the total purchase price of the ti part(s) at issue in this document sold by ti to customer on an annual basis. other qualified versions of lm4128, lm4128-q1 : ? catalog: lm4128 ? automotive: lm4128-q1 note: qualified version definitions: ? catalog - ti's standard catalog product ? automotive - q100 devices qualified for high-reliability automotive applications targeting zero defects
tape and reel information *all dimensions are nominal device package type package drawing pins spq reel diameter (mm) reel width w1 (mm) a0 (mm) b0 (mm) k0 (mm) p1 (mm) w (mm) pin1 quadrant lm4128amf-1.8/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128amf-2.0/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128amf-2.5/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128amf-3.0/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128amf-3.3/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128amf-4.1/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128amfx-1.8/nopb sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128amfx-2.0/nopb sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128amfx-2.5/nopb sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128amfx-3.0/nopb sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128amfx-3.3/nopb sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128amfx-4.1/nopb sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128aq1mf1.8/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128aq1mf2.0/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128aq1mf2.5/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128aq1mf3.0/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128aq1mf3.3/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128aq1mf4.1/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 package materials information www.ti.com 23-sep-2013 pack materials-page 1
device package type package drawing pins spq reel diameter (mm) reel width w1 (mm) a0 (mm) b0 (mm) k0 (mm) p1 (mm) w (mm) pin1 quadrant lm4128aq1mfx1.8/nop b sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128aq1mfx2.0/nop b sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128aq1mfx2.5/nop b sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128aq1mfx3.0/nop b sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128aq1mfx3.3/nop b sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128aq1mfx4.1/nop b sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128bmf-1.8/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128bmf-2.0/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128bmf-2.5 sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128bmf-2.5/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128bmf-3.0/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128bmf-3.3/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128bmf-4.1/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128bmfx-1.8/nopb sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128bmfx-2.0/nopb sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128bmfx-2.5/nopb sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128bmfx-3.0/nopb sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128bmfx-3.3/nopb sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128bmfx-4.1/nopb sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128bq1mf1.8/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128bq1mf2.0/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128bq1mf2.5/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128bq1mf3.0/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128bq1mf3.3/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128bq1mf4.1/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128bq1mfx1.8/nop b sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128bq1mfx2.0/nop b sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128bq1mfx2.5/nop b sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128bq1mfx3.0/nop b sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128bq1mfx3.3/nop b sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128bq1mfx4.1/nop b sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128cmf-1.8/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128cmf-2.0/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128cmf-2.5/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 package materials information www.ti.com 23-sep-2013 pack materials-page 2
device package type package drawing pins spq reel diameter (mm) reel width w1 (mm) a0 (mm) b0 (mm) k0 (mm) p1 (mm) w (mm) pin1 quadrant lm4128cmf-3.0/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128cmf-3.3/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128cmf-4.1/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128cmfx-1.8/nopb sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128cmfx-2.0/nopb sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128cmfx-2.5/nopb sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128cmfx-3.0/nopb sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128cmfx-3.3/nopb sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128cmfx-4.1/nopb sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128cq1mf1.8/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128cq1mf2.0/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128cq1mf2.5/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128cq1mf3.0/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128cq1mf3.3/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128cq1mf4.1/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128cq1mfx1.8/nop b sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128cq1mfx2.0/nop b sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128cq1mfx2.5/nop b sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128cq1mfx3.0/nop b sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128cq1mfx3.3/nop b sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128cq1mfx4.1/nop b sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128dmf-1.8/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128dmf-2.0/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128dmf-2.5/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128dmf-3.0/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128dmf-3.3/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128dmf-4.1/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128dmfx-1.8/nopb sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128dmfx-2.0/nopb sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128dmfx-2.5/nopb sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128dmfx-3.0/nopb sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128dmfx-3.3/nopb sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128dmfx-4.1/nopb sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128dq1mf1.8/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128dq1mf2.0/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128dq1mf2.5/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128dq1mf3.0/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128dq1mf3.3/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128dq1mf4.1/nopb sot-23 dbv 5 1000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 package materials information www.ti.com 23-sep-2013 pack materials-page 3
device package type package drawing pins spq reel diameter (mm) reel width w1 (mm) a0 (mm) b0 (mm) k0 (mm) p1 (mm) w (mm) pin1 quadrant lm4128dq1mfx1.8/nop b sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128dq1mfx2.0/nop b sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128dq1mfx2.5/nop b sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128dq1mfx3.0/nop b sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128dq1mfx3.3/nop b sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 lm4128dq1mfx4.1/nop b sot-23 dbv 5 3000 178.0 8.4 3.2 3.2 1.4 4.0 8.0 q3 *all dimensions are nominal device package type package drawing pins spq length (mm) width (mm) height (mm) lm4128amf-1.8/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128amf-2.0/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128amf-2.5/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128amf-3.0/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128amf-3.3/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128amf-4.1/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128amfx-1.8/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 package materials information www.ti.com 23-sep-2013 pack materials-page 4
device package type package drawing pins spq length (mm) width (mm) height (mm) lm4128amfx-2.0/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128amfx-2.5/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128amfx-3.0/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128amfx-3.3/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128amfx-4.1/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128aq1mf1.8/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128aq1mf2.0/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128aq1mf2.5/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128aq1mf3.0/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128aq1mf3.3/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128aq1mf4.1/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128aq1mfx1.8/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128aq1mfx2.0/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128aq1mfx2.5/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128aq1mfx3.0/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128aq1mfx3.3/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128aq1mfx4.1/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128bmf-1.8/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128bmf-2.0/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128bmf-2.5 sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128bmf-2.5/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128bmf-3.0/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128bmf-3.3/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128bmf-4.1/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128bmfx-1.8/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128bmfx-2.0/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128bmfx-2.5/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128bmfx-3.0/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128bmfx-3.3/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128bmfx-4.1/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128bq1mf1.8/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128bq1mf2.0/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128bq1mf2.5/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128bq1mf3.0/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128bq1mf3.3/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128bq1mf4.1/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128bq1mfx1.8/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128bq1mfx2.0/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128bq1mfx2.5/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128bq1mfx3.0/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128bq1mfx3.3/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128bq1mfx4.1/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128cmf-1.8/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128cmf-2.0/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 package materials information www.ti.com 23-sep-2013 pack materials-page 5
device package type package drawing pins spq length (mm) width (mm) height (mm) lm4128cmf-2.5/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128cmf-3.0/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128cmf-3.3/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128cmf-4.1/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128cmfx-1.8/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128cmfx-2.0/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128cmfx-2.5/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128cmfx-3.0/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128cmfx-3.3/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128cmfx-4.1/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128cq1mf1.8/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128cq1mf2.0/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128cq1mf2.5/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128cq1mf3.0/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128cq1mf3.3/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128cq1mf4.1/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128cq1mfx1.8/nop b sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128cq1mfx2.0/nop b sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128cq1mfx2.5/nop b sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128cq1mfx3.0/nop b sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128cq1mfx3.3/nop b sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128cq1mfx4.1/nop b sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128dmf-1.8/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128dmf-2.0/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128dmf-2.5/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128dmf-3.0/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128dmf-3.3/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128dmf-4.1/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128dmfx-1.8/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128dmfx-2.0/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128dmfx-2.5/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128dmfx-3.0/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128dmfx-3.3/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128dmfx-4.1/nopb sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128dq1mf1.8/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128dq1mf2.0/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128dq1mf2.5/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128dq1mf3.0/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128dq1mf3.3/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 lm4128dq1mf4.1/nopb sot-23 dbv 5 1000 210.0 185.0 35.0 package materials information www.ti.com 23-sep-2013 pack materials-page 6
device package type package drawing pins spq length (mm) width (mm) height (mm) lm4128dq1mfx1.8/nop b sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128dq1mfx2.0/nop b sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128dq1mfx2.5/nop b sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128dq1mfx3.0/nop b sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128dq1mfx3.3/nop b sot-23 dbv 5 3000 210.0 185.0 35.0 lm4128dq1mfx4.1/nop b sot-23 dbv 5 3000 210.0 185.0 35.0 package materials information www.ti.com 23-sep-2013 pack materials-page 7

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