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? semiconductor components industries, llc, 2001 november, 2001 rev. 2 1 publication order number: ncp1117/d ncp1117 1.0 a low-dropout positive fixed and adjustable voltage regulators the ncp1117 series are low dropout positive voltage regulators that are capable of providing an output current that is in excess of 1.0 a with a maximum dropout voltage of 1.2 v at 800 ma over temperature. this series contains eight fixed output voltages of 1.5 v, 1.8 v, 2.0 v, 2.5 v, 2.85 v, 3.3 v, 5.0 v, and 12 v that have no minimum load requirement to maintain regulation. also included is an adjustable output version that can be programmed from 1.25 v to 18.8 v with two external resistors. on chip trimming adjusts the reference/output voltage to within 1.0% accuracy. internal protection features consist of output current limiting, safe operating area compensation, and thermal shutdown. the ncp1117 series can operate with up to 20 v input. devices are available in sot223 and dpak packages. features ? output current in excess of 1.0 a ? 1.2 v maximum dropout voltage at 800 ma over temperature ? fixed output voltages of 1.5 v, 1.8 v, 2.0 v, 2.5 v, 2.85 v, 3.3 v, 5.0 v, and 12 v ? adjustable output voltage option ? no minimum load requirement for fixed voltage output devices ? reference/output voltage trimmed to 1.0% ? current limit, safe operating and thermal shutdown protection ? operation to 20 v input applications ? consumer and industrial equipment point of regulation ? active scsi termination for 2.85 v version ? switching power supply post regulation ? hard drive controllers ? battery chargers http://onsemi.com sot223 st suffix case 318h 1 3 dpak dt suffix case 369a pin: 1. adjust/ground 2. output 3. input 1 3 heatsink tab is connected to pin 2. see detailed ordering and shipping information in the package dimensions section on page 11 of this data sheet. ordering information see general marking information in the device marking section on page 12 of this data sheet. device marking information 1 23 1 2 3 ta b ta b (top view) (top view) 10 f 1 2 output 10 f 3 input ncp1117 xtxx ++ figure 1. fixed output regulator 10 f 1 2 output 10 f 3 input ncp1117 xta ++ figure 2. adjustable output regulator 22 f 1 2 10 f 3 ncp1117 xt285 ++ 110 110 110 110 4.75 v to 5.25 v + 18 to 27 lines figure 3. active scsi bus terminator typical applications
ncp1117 http://onsemi.com 2 maximum ratings rating symbol value unit input voltage (note 1) v in 20 v output short circuit duration (notes 2 and 3) infinite power dissipation and thermal characteristics case 318h (sot223) power dissipation (note 2) thermal resistance, junctiontoambient, minimum size pad thermal resistance, junctiontocase case 369a (dpak) power dissipation (note 2) thermal resistance, junctiontoambient, minimum size pad thermal resistance, junctiontocase p d r ja r jc p d r ja r jc internally limited 160 15 internally limited 67 6.0 w c/w c/w w c/w c/w operating junction temperature range t j 55 to 150 c storage temperature range t stg 65 to 150 c 1. this device series contains esd protection and exceeds the following tests: human body model 2000 v per milstd883, method 3015. machine model method 200 v. 2. internal thermal shutdown protection limits the die temperature to approximately 175 c. proper heatsinking is required to prevent activation. the maximum package power dissipation is: p d t j(max) t a r ja 3. the regulator output current must not exceed 1.0 a with v in greater than 12 v. electrical characteristics (c in = 10 m f, c out = 10 m f, for typical value t j = 25 c, for min and max values t j = 0 c to 125 c unless otherwise noted.) characteristic symbol min typ max unit reference voltage, adjustable output devices (v in v out = 2.0 v, i out = 10 ma, t j = 25 c) (v in v out = 1.4 v to 10 v, i out = 10 ma to 800 ma, t j = 0 c to 125 c) v ref 1.238 1.225 1.25 1.262 1.270 v output voltage, fixed output devices 1.5 v (v in = 3.5 v, i out = 10 ma, t j = 25 c) (v in = 2.9 v to 11.5 v, i out = 0 ma to 800 ma, t j = 0 c to 125 c) 1.8 v (v in = 3.8 v, i out = 10 ma, t j = 25 c) (v in = 3.2 v to 11.8 v, i out = 0 ma to 800 ma, t j = 0 c to 125 c) 2.0 v (v in = 4.0 v, i out = 10 ma, t j = 25 c) (v in = 3.4 v to 12 v, i out = 0 ma to 800 ma, t j = 0 c to 125 c) 2.5 v (v in = 4.5 v, i out = 10 ma, t j = 25 c) (v in = 3.9 v to 10 v, i out = 0 ma to 800 ma, t j = 0 c to 125 c) 2.85 v (v in = 4.85 v, i out = 10 ma, t j = 25 c) (v in = 4.25 v to 10 v, i out = 0 ma to 800 ma, t j = 0 c to 125 c) (v in = 4.0 v, i out = 0 ma to 500 ma, t j = 0 c to 125 c) 3.3 v (v in = 5.3 v, i out = 10 ma, t j = 25 c) (v in = 4.75 v to 10 v, i out = 0 ma to 800 ma, t j = 0 c to 125 c) 5.0 v (v in = 7.0 v, i out = 10 ma, t j = 25 c) (v in = 6.5 v to 12 v, i out = 0 ma to 800 ma, t j = 0 c to 125 c) 12 v (v in = 14 v, i out = 10 ma, t j = 25 c) (v in = 13.5 v to 20 v, i out = 0 ma to 800 ma, t j = 0 c to 125 c) v out 1.485 1.470 1.782 1.755 1.970 1.960 2.475 2.450 2.821 2.790 2.790 3.267 3.235 4.950 4.900 11.880 11.760 1.500 1.800 2.000 2.500 2.850 3.300 5.000 12.000 1.515 1.530 1.818 1.845 2.030 2.040 2.525 2.550 2.879 2.910 2.910 3.333 3.365 5.050 5.100 12.120 12.240 v
ncp1117 http://onsemi.com 3 electrical characteristics (c in = 10 m f, c out = 10 m f, for typical value t j = 25 c, for min and max values t j = 0 c to 125 c unless otherwise noted.) characteristic unit max typ min symbol line regulation (note 4) adjustable (v in = 2.75 v to 16.25 v, i out = 10 ma) reg line 0.04 0.1 % 1.5 v (v in = 2.9 v to 11.5 v, i out = 0 ma) 1.8 v (v in = 3.2 v to 11.8 v, i out = 0 ma) 2.0 v (v in = 3.4 v to 12 v, i out = 0 ma) 2.5 v (v in = 3.9 v to 10 v, i out = 0 ma) 2.85 v (v in = 4.25 v to 10 v, i out = 0 ma) 3.3 v (v in = 4.75 v to 15 v, i out = 0 ma) 5.0 v (v in = 6.5 v to 15 v, i out = 0 ma) 12 v (v in = 13.5 v to 20 v, i out = 0 ma) 0.3 0.4 0.5 0.5 0.8 0.8 0.9 1.0 1.0 1.0 2.5 2.5 3.0 4.5 6.0 7.5 mv load regulation (note 4) adjustable (i out = 10 ma to 800 ma, v in = 4.25 v) reg line 0.2 0.4 % 1.5 v (i out = 0 ma to 800 ma, v in = 2.9 v) 1.8 v (i out = 0 ma to 800 ma, v in = 3.2 v) 2.0 v (i out = 0 ma to 800 ma, v in = 3.4 v) 2.5 v (i out = 0 ma to 800 ma, v in = 3.9 v) 2.85 v (i out = 0 ma to 800 ma, v in = 4.25 v) 3.3 v (i out = 0 ma to 800 ma, v in = 4.75 v) 5.0 v (i out = 0 ma to 800 ma, v in = 6.5 v) 12 v (i out = 0 ma to 800 ma, v in = 13.5 v) 2.3 2.6 3.0 3.3 3.8 4.3 6.7 16 5.5 6.0 6.0 7.5 8.0 10 15 28 mv dropout voltage (measured at v out 100 mv) (i out = 100 ma) (i out = 500 ma) (i out = 800 ma) v in v out 0.95 1.01 1.07 1.10 1.15 1.20 v output current limit (v in v out = 5.0 v, t j = 25 c, note 5) i out 1000 1500 2200 ma minimum required load current for regulation, adjustable output devices (v in = 15 v) i l(min) 0.8 5.0 ma quiescent current 1.5 v (v in = 11.5 v) 1.8 v (v in = 11.8 v) 2.0 v (v in = 12 v) 2.5 v (v in = 10 v) 2.85 v (v in = 10 v) 3.3 v (v in = 15 v) 5.0 v (v in = 15 v) 12 v (v in = 20 v) i q 3.6 4.2 4.5 5.2 5.5 6.0 6.0 6.0 10 10 10 10 10 10 10 10 ma thermal regulation (t a = 25 c, 30 ms pulse) 0.01 0.1 %/w ripple rejection (v in v out = 6.4 v, i out = 500 ma, 10 v pp 120 hz sinewave) adjustable 1.5 v 1.8 v 2.0 v 2.5 v 2.85 v 3.3 v 5.0 v 12 v rr 67 66 64 64 62 62 60 57 50 73 72 70 70 68 68 64 61 54 db adjustment pin current (v in = 11.25 v, i out = 800 ma) i adj 52 120 a adjust pin current change (v in v out = 1.4 v to 10 v, i out = 10 ma to 800 ma) i adj 0.4 5.0 a temperature stability s t 0.5 % long term stability (t a = 25 c, 1000 hrs end point measurement) s t 0.3 % rms output noise (f = 10 hz to 10 khz) n 0.003 %v out 4. low duty cycle pulse techniques are used during testing to maintain the junction temperature as close to ambient as possible. 5. the regulator output current must not exceed 1.0 a with v in greater than 12 v.
ncp1117 http://onsemi.com 4 v in v out , dropout voltage (v) t a , ambient temperature ( c) i adj , adjust pin current ( a) i out = 10 ma 0 20 40 60 80 100 figure 4. output voltage change vs. temperature figure 5. dropout voltage vs. output current figure 6. output short circuit current vs. differential voltage figure 7. output short circuit current vs. temperature figure 8. adjust pin current vs. temperature figure 9. quiescent current change vs. temperature 0 0.5 1.0 1.5 2.0 0 2 4 6 8 101214161820 load pulsed at 1.0% duty cycle v in v out , voltage differential (v) i out , output current (a) t j = 25 c 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 0 200 400 600 800 1000 load pulsed at 1.0% duty cycle i out , output current (ma) t j = 40 c t j = 25 c t j = 125 c v out , output voltage change (%) 2.0 1.5 1.0 0.5 0 0.5 1.0 1.5 2.0 50 25 0 25 50 75 100 125 150 t a , ambient temperature ( c) v in = v out + 3.0 v i out = 10 ma adj, 1.5 v, 1.8 v, 2.0 v, 2.5 v 2.85 v, 3.3 v, 5.0 v, 12.0 v 1.0 1.2 1.4 1.6 1.8 2.0 50 25 0 25 50 75 100 125 150 20 15 10 5.0 0 5.0 10 50 25 0 25 50 75 100 125 150 t a , ambient temperature ( c) i out , output current (a) v in = 5.0 v load pulsed at 1.0% duty cycle t a , ambient temperature ( c) i q, quiescent current change (%) 50 25 0 25 50 75 100 125 150
ncp1117 http://onsemi.com 5 t, time ( s) 20 0 7.5 6.5 0 40 80 120 160 output voltage deviation (mv) input voltage (v) 200 20 0 20 40 60 80 100 10 100 1.0 k 10 k 100 k 0 20 40 60 80 100 0 200 400 600 800 1000 i out , output current (ma) rr, ripple rejection (db) f ripple = 20 khz v ripple 0.5 v pp v out = 5.0 v v in v out = 3.0 v c out = 10 f c adj = 25 f t a = 25 c f ripple , ripple frequency (hz) rr, ripple rejection (db) v out = 5.0 v v in v out = 3.0 v i out = 0.5 a c out = 10 f c adj = 25 f, f > 60 hz v ripple 3.0 v pp v ripple 0.5 v pp v in v out 3.0 v figure 10. ncp1117xta ripple rejection vs. output current figure 11. ncp1117xta ripple rejection vs. frequency figure 12. ncp1117xt285 line transient response figure 13. ncp1117xt285 load transient response figure 14. ncp1117xt50 line transient response figure 15. ncp1117xt50 load transient response c in = 10 f c out = 10 f v in = 6.5 v preload = 0.1 a t a = 25 c t, time ( s) 0 0.5 0 0.1 0.1 0 40 80 120 160 load current change (a) output voltage deviation (v) 200 c in = 10 f c out = 10 f v in = 4.5 v preload = 0.1 a t a = 25 c t, time ( s) 0 0.5 0 0.1 0.1 0 40 80 120 160 load current change (a) output voltage deviation (v) 200 t, time ( s) 20 0 5.25 4.25 0 40 80 120 160 output voltage deviation (mv) input voltage (v) 200 c in = 1.0 f c out = 10 f i out = 0.1 a t a = 25 c 20 f ripple = 120 hz v ripple 3.0 v pp c in = 1.0 f c out = 10 f i out = 0.1 a t a = 25 c v in v out v dropout c adj = 200 f, f 60 hz t a = 25 c
ncp1117 http://onsemi.com 6 figure 16. ncp1117xt12 line transient response figure 17. ncp1117xt12 load transient response t, time ( s) c in = 10 f c out = 10 f v in = 13.5 v preload = 0.1 a t a = 25 c 0 0.5 0 0.1 0.1 0 40 80 120 160 200 load current change (a) output voltage deviation (v) 60 80 100 120 140 160 180 0.4 0.6 0.8 1.0 1.2 1.4 1.6 0102030 25 15 5.0 l, length of copper (mm) p d(max) for t a = 50 c 40 50 60 70 80 90 100 0102030 25 15 5.0 l, length of copper (mm) 0.6 0.8 1.0 1.2 1.4 1.6 figure 18. sot223 thermal resistance and maximum power dissipation vs. p.c.b. copper length r ja , thermal resistance, junctiontoair ( cw) p d , maximum power dissipation (w) r ja , thermal resistance, junctiontoair ( cw) 0.4 figure 19. dpak thermal resistance and maximum power dissipation vs. p.c.b. copper length t, time ( s) 20 0 14.5 13.5 0 40 80 120 160 output voltage deviation (mv) input voltage (v) 200 20 c in = 1.0 f c out = 10 f i out = 0.1 a t a = 25 c minimum size pad p d , maximum power dissipation (w) l ???? ???? ???? ???? 2.0 oz. copper r q ja minimum size pad p d(max) for t a = 50 c l r q ja l l 2.0 oz. copper ??? ??? ???
ncp1117 http://onsemi.com 7 applications information introduction the ncp1117 features a significant reduction in dropout voltage along with enhanced output voltage accuracy and temperature stability when compared to older industry standard threeterminal adjustable regulators. these devices contain output current limiting, safe operating area compensation and thermal shutdown protection making them designer friendly for powering numerous consumer and industrial products. the ncp1117 series is pin compatible with the older lm317 and its derivative device types. output voltage the typical application circuits for the fixed and adjustable output regulators are shown in figures 20 and 21. the adjustable devices are floating voltage regulators. they develop and maintain the nominal 1.25 v reference voltage between the output and adjust pins. the reference voltage is programmed to a constant current source by resistor r1, and this current flows through r2 to ground to set the output voltage. the programmed current level is usually selected to be greater than the specified 5.0 ma minimum that is required for regulation. since the adjust pin current, i adj , is significantly lower and constant with respect to the programmed load current, it generates a small output voltage error that can usually be ignored. for the fixed output devices r1 and r2 are included within the device and the ground current i gnd , ranges from 3.0 ma to 5.0 ma depending upon the output voltage. external capacitors input bypass capacitor c in may be required for regulator stability if the device is located more than a few inches from the power source. this capacitor will reduce the circuit's sensitivity when powered from a complex source impedance and significantly enhance the output transient response. the input bypass capacitor should be mounted with the shortest possible track length directly across the regulator's input and ground terminals. a 10 m f ceramic or tantalum capacitor should be adequate for most applications. figure 20. fixed output regulator 1 2 output 3 input ncp1117 xtxx ++ c out c in i gnd frequency compensation for the regulator is provided by capacitor c out and its use is mandatory to ensure output stability. a minimum capacitance value of 4.7 m f with an equivalent series resistance (esr) that is within the limits of 0.25 to 2.2 is required. the capacitor type can be ceramic, tantalum, or aluminum electrolytic as long as it meets the minimum capacitance value and esr limits over the circuit's entire operating temperature range. higher values of output capacitance can be used to enhance loop stability and transient response with the additional benefit of reducing output noise. figure 21. adjustable output regulator 1 2 output 3 input ncp1117 xta ++ c out c in i adj r2 + c adj v ref r1 v out v ref 1 r2 r1 i adj r2 the output ripple will increase linearly for fixed and adjustable devices as the ratio of output voltage to the reference voltage increases. for example, with a 12 v regulator, the output ripple will increase by 12 v/1.25 v or 9.6 and the ripple rejection will decrease by 20 log of this ratio or 19.6 db. the loss of ripple rejection can be restored to the values shown with the addition of bypass capacitor c adj , shown in figure 21. the reactance of c adj at the ripple frequency must be less than the resistance of r1. the value of r1 can be selected to provide the minimum required load current to maintain regulation and is usually in the range of 100 to 200 . c adj 1 2 f ripple r1 the minimum required capacitance can be calculated from the above formula. when using the device in an application that is powered from the ac line via a transformer and a full wave bridge, the value for c adj is: f ripple 120 hz, r1 120 , then c adj 11.1 f the value for c adj is significantly reduced in applications where the input ripple frequency is high. if used as a post regulator in a switching converter under the following conditions: f ripple 50 khz, r1 120 , then c adj 0.027 f figures 10 and 11 shows the level of ripple rejection that is obtainable with the adjust pin properly bypassed.
ncp1117 http://onsemi.com 8 protection diodes the ncp1117 family has two internal low impedance diode paths that normally do not require protection when used in the typical regulator applications. the first path connects between v out and v in , and it can withstand a peak surge current of about 15 a. normal cycling of v in cannot generate a current surge of this magnitude. only when v in is shorted or crowbarred to ground and c out is greater than 50 m f, it becomes possible for device damage to occur. under these conditions, diode d1 is required to protect the device. the second path connects between c adj and v out , and it can withstand a peak surge current of about 150 ma. protection diode d2 is required if the output is shorted or crowbarred to ground and c adj is greater than 1.0 m f. figure 22. protection diode placement 1 2 output 3 input ncp1117 xta ++ c out c in r2 + c adj r1 1n4001 d1 d2 1n4001 a combination of protection diodes d1 and d2 may be required in the event that v in is shorted to ground and c adj is greater than 50 m f. the peak current capability stated for the internal diodes are for a time of 100 m s with a junction temperature of 25 c. these values may vary and are to be used as a general guide. load regulation the ncp1117 series is capable of providing excellent load regulation; but since these are three terminal devices, only partial remote load sensing is possible. there are two conditions that must be met to achieve the maximum available load regulation performance. the first is that the top side of programming resistor r1 should be connected as close to the regulator case as practicable. this will minimize the voltage drop caused by wiring resistance rw + from appearing in series with reference voltage that is across r1. the second condition is that the ground end of r2 should be connected directly to the load. this allows true kelvin sensing where the regulator compensates for the voltage drop caused by wiring resistance rw . figure 23. load sensing 1 2 output 3 input ncp1117 xta + + c out c in r1 remote load rw+ rw r2 thermal considerations this series contains an internal thermal limiting circuit that is designed to protect the regulator in the event that the maximum junction temperature is exceeded. when activated, typically at 175 c, the regulator output switches off and then back on as the die cools. as a result, if the device is continuously operated in an overheated condition, the output will appear to be oscillating. this feature provides protection from a catastrophic device failure due to accidental overheating. it is not intended to be used as a substitute for proper heatsinking. the maximum device power dissipation can be calculated by: p d t j(max) t a r ja the devices are available in surface mount sot223 and dpak packages. each package has an exposed metal tab that is specifically designed to reduce the junction to air thermal resistance, r ja , by utilizing the printed circuit board copper as a heat dissipater. figures 18 and 19 show typical r ja values that can be obtained from a square pattern using economical single sided 2.0 ounce copper board material. the final product thermal limits should be tested and quantified in order to insure acceptable performance and reliability. the actual r ja can vary considerably from the graphs shown. this will be due to any changes made in the copper aspect ratio of the final layout, adjacent heat sources, and air flow.
ncp1117 http://onsemi.com 9 figure 24. constant current regulator figure 25. slow turnon regulator figure 26. regulator with shutdown figure 27. digitally controlled regulator figure 28. battery backedup power supply figure 29. adjusting output of fixed voltage regulators the 50 resistor that is in series with the ground pin of the upper regulator level shifts its output 300 mv higher than the lower regulator. this keeps the lower regulator off until the input source is removed. resistor r2 sets the maximum output voltage. each transistor reduces the output voltage when turned on. 1 2 constant current output 3 input ncp1117 xta ++ 10 f i out v ref r i adj 10 f r 1 2 output 3 input ncp1117 xta ++ 10 f 10 f 1n4001 r2 r1 10 f 50 k 2n2907 1 2 output 3 input ncp1117 xta ++ 10 f 10 f 120 2n2222 360 1.0 k 1.0 k output control on off 1 2 output 3 input ncp1117 xta ++ 10 f 10 f r1 2n2222 r2 1 50 2 output 3 input ncp1117 xt50 ++ 10 f 10 f + r chg 1 ncp1117 xt50 + 10 f 6.6 v 5.3 v ac line 5.0 v battery 1 2 output 3 input ncp1117 xt50 ++ 10 f + 10 f 10 f 2.0 k 5.0 v to 12 v v out(off) v ref output voltage control 2 3
ncp1117 http://onsemi.com 10 minimum recommended footprint for surface mounted applications the surface mount board layout is a critical portion of the total design. the footprint for the regulator package must be of correct size to insure a proper solder connection of the package tab and pins to the printed circuit board copper. with proper footprint pad sizes, the packages will self align when subjected to a solder reflow process. sot223, case 318h 0.079 2.0 0.15 3.8 0.248 6.3 0.079 2.0 0.059 1.5 0.059 1.5 0.059 1.5 0.091 2.3 0.091 2.3 mm inches dpak, case 369a 0.190 4.826 mm inches 0.100 2.54 0.063 1.6 0.165 4.191 0.118 3.0 0.243 6.172
ncp1117 http://onsemi.com 11 ordering information device nominal output voltage package shipping ncp1117dta adjustable dpak 75 units/rail ncp1117dtark adjustable dpak 2500 units/tape & reel ncp1117stat3 adjustable sot223 4000 units/tape & reel ncp1117dt15 1.5 dpak 75 units/rail ncp1117dt15rk 1.5 dpak 2500 units/tape & reel ncp1117st15t3 1.5 sot223 4000 units/tape & reel ncp1117dt18 1.8 dpak 75 units/rail ncp1117dt18rk 1.8 dpak 2500 units/tape & reel ncp1117st18t3 1.8 sot223 4000 units/tape & reel ncp1117dt20 2.0 dpak 75 units/rail ncp1117dt20rk 2.0 dpak 2500 units/tape & reel ncp1117st20t3 2.0 sot223 4000 units/tape & reel ncp1117dt25 2.5 dpak 75 units/rail ncp1117dt25rk 2.5 dpak 2500 units/tape & reel ncp1117st25t3 2.5 sot223 4000 units/tape & reel ncp1117dt285 2.85 dpak 75 units/rail ncp1117dt285rk 2.85 dpak 2500 units/tape & reel ncp1117st285t3 2.85 sot223 4000 units/tape & reel ncp1117dt33 3.3 dpak 75 units/rail ncp1117dt33rk 3.3 dpak 2500 units/tape & reel ncp1117st33t3 3.3 sot223 4000 units/tape & reel ncp1117dt50 5.0 dpak 75 units/rail ncp1117dt50rk 5.0 dpak 2500 units/tape & reel ncp1117st50t3 5.0 sot223 4000 units/tape & reel ncp1117dt12 12 dpak 75 units/rail ncp1117dt12rk 12 dpak 2500 units/tape & reel ncp1117st12t3 12 sot223 4000 units/tape & reel
ncp1117 http://onsemi.com 12 117aj alyww 1715 alyww 1718 alyww 1172 alyww 1725 alyww 17285 alyww 1733 alyww 1175 alyww 1712 alyww alyw 117a 1 sot223 st suffix case 318h a = assembly location l = wafer lot y = year ww, w = work week marking diagrams dpak dt suffix case 369a 23 alyw 1715 1 23 alyw 1718 1 23 alyw 1172 1 23 alyw 1725 1 23 alyw 7285 1 23 alyw 1733 1 23 alyw 1175 1 23 alyw 1712 1 23 1 2 31 2 31 2 31 2 31 2 3 1 2 31 2 31 2 31 2 3 adjustable 1.5 v 1.8 v 2.0 v 2.5 v 2.85 v 3.3 v 5.0 v 12 v adjustable 1.5 v 1.8 v 2.0 v 2.5 v 2.85 v 3.3 v 5.0 v 12 v
ncp1117 http://onsemi.com 13 package dimensions sot223 st suffix case 318h01 issue o notes: 1. dimensions are in millimeters. 2. interpret dimensions and tolerances per asme y14.5m, 1994. 3. dimension e1 does not include interlead flash or protrusion. interlead flash or protrusion shall not exceed 0.23 per side. 4. dimensions b and b2 do not include dambar protrusion. allowable dambar protrusion shall be 0.08 total in excess of the b and b2 dimensions at maximum material condition. 5. terminal numbers are shown for reference only. 6. dimensions d and e1 are to be determined at datum plane h. dim min max millimeters a --- 1.80 a1 0.02 0.11 b 0.60 0.88 b1 0.60 0.80 b2 2.90 3.10 b3 2.90 3.05 c 0.24 0.35 c1 0.24 0.30 d 6.30 6.70 e 6.70 7.30 e1 3.30 3.70 e 2.30 e1 4.60 l 0.25 --- 0 10 c1 e h m 0.2 c c a s b b b a a m 0.1 c s a s b e1 b d 4 3 2 1 e e1 m 0.1 c s a s b b2 b a 0.08 a1 c b1 (b) (b2) b3 section bb l ?? ?????? section aa
ncp1117 http://onsemi.com 14 package dimensions dpak dt suffix case 369a13 issue ab d a k b r v s f l g 2 pl m 0.13 (0.005) t e c u j h t seating plane z dim min max min max millimeters inches a 0.235 0.250 5.97 6.35 b 0.250 0.265 6.35 6.73 c 0.086 0.094 2.19 2.38 d 0.027 0.035 0.69 0.88 e 0.033 0.040 0.84 1.01 f 0.037 0.047 0.94 1.19 g 0.180 bsc 4.58 bsc h 0.034 0.040 0.87 1.01 j 0.018 0.023 0.46 0.58 k 0.102 0.114 2.60 2.89 l 0.090 bsc 2.29 bsc r 0.175 0.215 4.45 5.46 s 0.020 0.050 0.51 1.27 u 0.020 --- 0.51 --- v 0.030 0.050 0.77 1.27 z 0.138 --- 3.51 --- notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 123 4
ncp1117 http://onsemi.com 15 notes
ncp1117 http://onsemi.com 16 on semiconductor and are trademarks of semiconductor components industries, llc (scillc). scillc reserves the right to make changes without further notice to any products herein. scillc makes no warranty, representation or guarantee regarding the suitability of its p roducts for any particular purpose, nor does scillc assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. atypicalo parameters which may be provided in scillc data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. all operating parameters, i ncluding atypicalso must be validated for each customer application by customer's technical experts. scillc does not convey any license under its patent rights nor t he rights of others. scillc products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body , or other applications intended to support or sustain life, or for any other application in which the failure of the scillc product could create a sit uation where personal injury or death may occur. should buyer purchase or use scillc products for any such unintended or unauthorized application, buyer shall indemnify and hold scillc and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthori zed use, even if such claim alleges that scillc was negligent regarding the design or manufacture of the part. scillc is an equal opportunity/affirmative a ction employer. publication ordering information japan : on semiconductor, japan customer focus center 4321 nishigotanda, shinagawaku, tokyo, japan 1410031 phone : 81357402700 email : r14525@onsemi.com on semiconductor website : http://onsemi.com for additional information, please contact your local sales representative. ncp1117/d literature fulfillment : literature distribution center for on semiconductor p.o. box 5163, denver, colorado 80217 usa phone : 3036752175 or 8003443860 toll free usa/canada fax : 3036752176 or 8003443867 toll free usa/canada email : onlit@hibbertco.com n. american technical support : 8002829855 toll free usa/canada

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