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rev.2.0 _00 high ripple-rejection low dropout middle output current cmos voltage regulator s-1132 series seiko instruments inc. 1 the s-1132 series is a positive voltage regulator with a low dropout voltage, hi gh output voltage accuracy, and low current consumption (300 ma output current) developed based on cmos technology. a 0.1 f small ceramic capacitor can be used. it operates with low current consumption of 20 a typ. a built-in output current prot ector prevents the load current from exceeding the current capacitance of the output transistor. compared with the conventi onal 300 ma output current cmos voltage regulators, high- density mounting is realized by using the super-small snt-6a(h) package and a 0.1 f small ceramic capacitor. also, the low current consum ption makes the s-1132 series ideal for mobile devices. ? features ? output voltage: 1.5 v to 5.5 v, selectable in 0.1 v steps. ? low esr capacitor can be used: a ceramic capacitor of 0.1 f or more can be used fo r the output capacitor. ? wide input voltage range: 2.0 v to 6.5 v ? high-accuracy output voltage: 1.0% ? low dropout voltage: 130 mv typ. (3.0 v output product, i out = 100 ma) ? low current consumpti on: during operation: 20 a typ., 40 a max. during shutdown: 0.01 a typ., 1.0 a max. ? output current: 300 ma output is possible (at v in v out(s) + 1.0 v) *1 ? high ripple rejection: 70 db typ. (at 1.0 khz) ? built-in overcurrent protector: overcurr ent of output transisto r can be restricted. ? built-in on/off circuit: en sures long battery life. ? small package: sot-23-5, sot-89-5, snt-6a(h) *1. attention should be paid to the power dissipation of the package when the out put current is large. ? applications ? power supply for battery-powered devices ? power supply for personal communication devices ? power supply for home electric/electronic appliances ? power supply for cellular phones ? package drawing code package name package tape reel sot-23-5 mp005-a mp005-a mp005-a sot-89-5 up005-a up005-a up005-a snt-6a(h) pi006-a pi006-a pi006-a
high ripple-rejection low dropout middle output current cmos voltage regulator s-1132 series rev.2.0 _00 2 seiko instruments inc. ? block diagram vin vss vout overcurrent protector reference voltage circuit on/off *1. parasitic diode *1 on/off circuit + ? figure 1
high ripple-rejection low dropout middle output current cmos voltage regulator rev.2.0 _00 s-1132 series seiko instruments inc. 3 ? product name structure ? the product types, output voltage, and package types for t he s-1132 series can be select ed at the user?s request. refer to the ? 1. product name ? for the meanings of the char acters in the product name and ? 2. product name list ? for the full product names. 1. product name 1. 1 package sot-23-5 and sot-89-5 s-1132 x xx ? xxxx package name (abbreviation) and packing specifications *1 m5t1: sot-23-5, tape u5t1: sot-89-5, tape output voltage 15 to 55 (e.g., when the output voltage is 1. 5 v, it is expressed as 15.) product type *2 a: on/off pin negative logic b: on/off pin positive logic *1. refer to the taping specific ations at the end of this book. *2. refer to 3. shutdown pin (o n/off pin) in the ?operation?. 1. 2 package snt-6a(h) s-1132 x xx ? i6t2 g fixed package name (abbreviation) and packing specifications *1 i6t2: snt-6a(h), tape output voltage 15 to 55 (e.g., when the output voltage is 1.5 v, it is expressed as 15.) product type *2 a: on/off pin negative logic b: on/off pin positive logic *1. refer to the taping specific ations at the end of this book. *2. refer to 3. shutdown pin (o n/off pin) in the ?operation?.
high ripple-rejection low dropout middle output current cmos voltage regulator s-1132 series rev.2.0 _00 4 seiko instruments inc. 2. product name list table 1 output voltage sot-23-5 sot-89-5 snt-6a(h) 1.5 v 1.0% s-1132b15-m5t1 s-1132b15-u5t1 s-1132b15-i6t2g 1.6 v 1.0% s-1132b16-m5t1 s-1132b16-u5t1 s-1132b16-i6t2g 1.7 v 1.0% s-1132b17-m5t1 s-1132b17-u5t1 s-1132b17-i6t2g 1.8 v 1.0% s-1132b18-m5t1 s-1132b18-u5t1 s-1132b18-i6t2g 1.9 v 1.0% s-1132b19-m5t1 s-1132b19-u5t1 s-1132b19-i6t2g 2.0 v 1.0% s-1132b20-m5t1 s-1132b20-u5t1 s-1132b20-i6t2g 2.1 v 1.0% s-1132b21-m5t1 s-1132b21-u5t1 s-1132b21-i6t2g 2.2 v 1.0% s-1132b22-m5t1 s-1132b22-u5t1 s-1132b22-i6t2g 2.3 v 1.0% s-1132b23-m5t1 s-1132b23-u5t1 s-1132b23-i6t2g 2.4 v 1.0% s-1132b24-m5t1 s-1132b24-u5t1 s-1132b24-i6t2g 2.5 v 1.0% s-1132b25-m5t1 s-1132b25-u5t1 s-1132b25-i6t2g 2.6 v 1.0% s-1132b26-m5t1 s-1132b26-u5t1 s-1132b26-i6t2g 2.7 v 1.0% s-1132b27-m5t1 s-1132b27-u5t1 s-1132b27-i6t2g 2.8 v 1.0% s-1132b28-m5t1 s-1132b28-u5t1 s-1132b28-i6t2g 2.9 v 1.0% s-1132b29-m5t1 s-1132b29-u5t1 s-1132b29-i6t2g 3.0 v 1.0% s-1132b30-m5t1 s-1132b30-u5t1 s-1132b30-i6t2g 3.1 v 1.0% s-1132b31-m5t1 s-1132b31-u5t1 s-1132b31-i6t2g 3.2 v 1.0% s-1132b32-m5t1 s-1132b32-u5t1 s-1132b32-i6t2g 3.3 v 1.0% s-1132b33-m5t1 s-1132b33-u5t1 s-1132b33-i6t2g 3.4 v 1.0% s-1132b34-m5t1 s-1132b34-u5t1 s-1132b34-i6t2g 3.5 v 1.0% s-1132b35-m5t1 s-1132b35-u5t1 s-1132b35-i6t2g 3.6 v 1.0% s-1132b36-m5t1 s-1132b36-u5t1 s-1132b36-i6t2g 3.7 v 1.0% s-1132b37-m5t1 s-1132b37-u5t1 s-1132b37-i6t2g 3.8 v 1.0% s-1132b38-m5t1 s-1132b38-u5t1 s-1132b38-i6t2g 3.9 v 1.0% s-1132b39-m5t1 s-1132b39-u5t1 s-1132b39-i6t2g 4.0 v 1.0% s-1132b40-m5t1 s-1132b40-u5t1 s-1132b40-i6t2g 4.1 v 1.0% s-1132b41-m5t1 s-1132b41-u5t1 s-1132b41-i6t2g 4.2 v 1.0% s-1132b42-m5t1 s-1132b42-u5t1 s-1132b42-i6t2g 4.3 v 1.0% s-1132b43-m5t1 s-1132b43-u5t1 s-1132b43-i6t2g 4.4 v 1.0% s-1132b44-m5t1 s-1132b44-u5t1 s-1132b44-i6t2g 4.5 v 1.0% s-1132b45-m5t1 s-1132b45-u5t1 s-1132b45-i6t2g 4.6 v 1.0% s-1132b46-m5t1 s-1132b46-u5t1 s-1132b46-i6t2g 4.7 v 1.0% s-1132b47-m5t1 s-1132b47-u5t1 s-1132b47-i6t2g 4.8 v 1.0% s-1132b48-m5t1 s-1132b48-u5t1 s-1132b48-i6t2g 4.9 v 1.0% s-1132b49-m5t1 s-1132b49-u5t1 s-1132b49-i6t2g 5.0 v 1.0% s-1132b50-m5t1 S-1132B50-U5T1 s-1132b50-i6t2g 5.1 v 1.0% s-1132b51-m5t1 s-1132b51-u5t1 s-1132b51-i6t2g 5.2 v 1.0% s-1132b52-m5t1 s-1132b52-u5t1 s-1132b52-i6t2g 5.3 v 1.0% s-1132b53-m5t1 s-1132b53-u5t1 s-1132b53-i6t2g 5.4 v 1.0% s-1132b54-m5t1 s-1132b54-u5t1 s-1132b54-i6t2g 5.5 v 1.0% s-1132b55-m5t1 s-1132b55-u5t1 s-1132b55-i6t2g remark please contact the sii marketing departm ent for products with type a products.
high ripple-rejection low dropout middle output current cmos voltage regulator rev.2.0 _00 s-1132 series seiko instruments inc. 5 ? pin configuration table 2 pin no. symbol description 1 vin input voltage pin 2 vss gnd pin 3 on/off shutdown pin 4 nc *1 no connection 5 vout output voltage pin *1. the nc pin is electrically open. the nc pin can be connected to vin or vss. 5 4 1 3 2 sot-23-5 top vie w figure 2 table 3 pin no. symbol description 1 vout output voltage pin 2 vss gnd pin 3 nc *1 no connection 4 on/off shutdown pin 5 vin input voltage pin *1. the nc pin is electrically open. the nc pin can be connected to vin or vss. 5 4 1 3 2 sot-89-5 top view figure 3 table 4 pin no. symbol description 1 vout output voltage pin 2 vss gnd pin 3 nc *1 no connection 4 on/off shutdown pin 5 vss gnd pin snt-6a(h) top view 1 2 3 4 6 5 6 vin input voltage pin figure 4 *1. the nc pin is electrically open. the nc pin can be connected to vin or vss.
high ripple-rejection low dropout middle output current cmos voltage regulator s-1132 series rev.2.0 _00 6 seiko instruments inc. ? absolute maximum ratings table 5 (ta = 25 c unless otherwise specified) item symbol absolute maximum rating unit input voltage v in v ss ? 0.3 to v ss + 7 v v on/off v ss ? 0.3 to v in + 0.3 output voltage v out v ss ? 0.3 to v in + 0.3 power dissipation sot-23-5 p d 300 mw sot-89-5 500 snt-6a(h) 500 *1 operating ambient temperature t opr ? 40 to + 85 c storage ambient temperature t stg ? 40 to + 125 *1. at mounted on printed circuit board [mounted board] (1) board size: 114 mm x 76 mm x 1.6t mm (2) board name: jedec standard51-7 caution the absolute maximum ra tings are rated values exceeding whic h the product could suffer physical damage. these values must therefore not be exceeded under any conditions. 0 50 100 150 600 400 0 power dissipation (p d ) [mw] ambient temperature (ta) [ c] snt-6a ( h ) 200 figure 5 power dissipation of packag e (mounted on printed circuit board)
high ripple-rejection low dropout middle output current cmos voltage regulator rev.2.0 _00 s-1132 series seiko instruments inc. 7 ? electrical characteristics table 6 (ta = 25 c unless otherwise specified) item symbol conditions min. typ. max. unit test circuit output voltage *1 v out(e) v in = v out(s) + 1.0 v, i out = 100 ma v out(s) 0.99 v out(s) v out(s) 1.01 v 1 output current *2 i out v in v out(s) + 1.0 v 300 *5 ? ? ma 3 dropout voltage *3 v drop i out = 100 ma 1.5 v v out(s) 1.9 v 0.50 0.54 0.58 v 2.0 v v out(s) 2.4 v ? 0.15 0.23 2.5 v v out(s) 2.9 v ? 0.14 0.21 3.0 v v out(s) 3.2 v ? 0.13 0.19 3.3 v v out(s) 5.5 v ? 0.10 0.15 line regulation out in out1 v v v ? ? ? v out(s) + 0.5 v v in 6.5 v, i out = 100 ma ? 0.01 0.2 % / v 1 load regulation ? v out2 v in = v out(s) + 1.0 v, 1.0 ma i out 100 ma ? 15 40 mv output voltage temperature coefficient *4 out out v ta v ? ? ? v in = v out(s) + 1.0 v, i out = 30 ma, ? 40 c ta 85 c ? 100 ? ppm / c current consumption during operation i ss1 v in = v out(s) + 1.0 v, on/off pin = on, no load ? 20 40 a 2 current consumption during shutdown i ss2 v in = v out(s) + 1.0 v, on/off pin = off, no load ? 0.01 1.0 input voltage v in ? 2.0 ? 6.5 v ? shutdown pin input voltage ?h? v sh v in = v out(s) + 1.0 v, r l = 1.0 k ? 1.5 ? ? 4 shutdown pin input voltage ?l? v sl v in = v out(s) + 1.0 v, r l = 1.0 k ? ? ? 0.25 shutdown pin input current ?h? i sh v in = 6.5 v, v on/off = 6.5 v ? 0.1 ? 0.1 a shutdown pin input current ?l? i sl v in = 6.5 v, v on/off = 0 v ? 0.1 ? 0.1 ripple rejection rr v in = v out(s) + 1.0 v, f = 1.0 khz, 1.5 v v out(s) 3.0 v ? 70 ? db 5 ? v rip = 0.5 vrms, i out = 50 ma 3.1 v v out(s) 5.5 v ? 65 ? short-circuit current i short v in = v out(s) + 1.0 v, on/off pin = on, v out = 0 v ? 250 ? ma 3
high ripple-rejection low dropout middle output current cmos voltage regulator s-1132 series rev.2.0 _00 8 seiko instruments inc. *1. v out(s) : specified output voltage v out(e) : actual output volt age at the fixed load the output voltage when fixing i out ( = 100 ma) and inputting v out(s) + 1.0 v *2. the output current at which t he output voltage becomes 95% of v out(e) after gradually increasing the output current. *3. v drop = v in1 ? (v out3 0.98) v out3 is the output voltage when v in = v out(s) + 1.0 v and i out = 100 ma. v in1 is the input voltage at which the output voltage becomes 98% of v out3 after gradually decreasing the input voltage. *4. the change in temperature [mv/c] is calculated using the following equation. [] [] [] 1000 c ppm/ v ta v v v c mv/ ta v out out out(s) out ? ? ? = ? ? 3 * 2 * *1 *1. the change in temperatur e of the output voltage *2. specified output voltage *3. output voltage temperature coefficient *5. the output current can be at least this value. due to restrictions on the package power dissipation, this value may not be sati sfied. attention should be paid to the power dissipation of the package w hen the output current is large. this specification is guaranteed by design.
high ripple-rejection low dropout middle output current cmos voltage regulator rev.2.0 _00 s-1132 series seiko instruments inc. 9 ? test circuits 1. vss vout on/off set to power on vin v a + + figure 6 2. vss vout on/off set to v in or gnd vin a figure 7 3. set to power on vss vout on/off vin v a + + figure 8 4. vss vout on/off vin a v r l + + figure 9 5. vss vout on/off vin v + set to power on r l figure 10
high ripple-rejection low dropout middle output current cmos voltage regulator s-1132 series rev.2.0 _00 10 seiko instruments inc. ? standard circuit vss vout on/off vin c in *1 c l * 2 input output gnd single gnd *1. c in is a capacitor for stabilizing the input. *2. a ceramic capacitor of 0.1 f or more can be used for c l . figure 11 caution the above connection diag ram and constant will not guarantee successful operation. perform thorough evaluation using the actual application to set the constant. ? application conditions input capacitor (c in ): 0.1 f or more output capacitor (c l ): 0.1 f or more esr of output capacitor: 2.0 ? or less caution a general series regulator may oscillate, depending on the ext ernal components selected. check that no oscillation occurs with the application using the above capacitor. ? selection of input and output capacitors (c in , c l ) the s-1132 series requires an output capac itor between the vout and vss pins fo r phase compensation. operation is stabilized by a ceramic capacitor with an output c apacitance of 0.1 f or more in the entire te mperature range. however, when using an os capacitor, tantal um capacitor, or aluminum electrolytic capac itor, a ceramic capacitor with a capacitance of 0.1 f or more and an esr of 2.0 ? or less is required. the value of the output overs hoot or undershoot transient re sponse varies depending on the val ue of the output capacitor. the required capacitance of the input capacitor differs depending on the application. the recommended value for an application is 0.1 f or more for c in and 0.1 f or more for c l ; however, when selecting the output capacitor, perform sufficient evaluati on, including evaluation of temperature characteristi cs, on the actual device.
high ripple-rejection low dropout middle output current cmos voltage regulator rev.2.0 _00 s-1132 series seiko instruments inc. 11 ? explanation of terms 1. low dropout voltage regulator the low dropout voltage regulat or is a voltage regulator whose dropout voltage is low due to its built-in low on- resistance transistor. 2. low esr a capacitor whose esr (equivalent se ries resistance) is low. the s- 1132 series enables use of a low esr capacitor, such as a ceramic capacit or, for the output-side capacitor c l . a capacitor whose esr is 2.0 ? or less can be used. 3. output voltage (v out ) the accuracy of the out put voltage is ensured at 1.0% under the specified condi tions of fixed input voltage *1 , fixed output current, and fixed temperature. *1. differs depending on the product. caution if the above conditions change, the output voltage value ma y vary and exceed the accuracy range of the output voltage. please see the electrical characteristics and attached characteristics data for details. 4. v ? v ? v regulation line out in out1 ? ? ? ? ? ? ? ? ? indicates the dependency of the out put voltage on the input voltage. that is, the values show how much the output voltage changes due to a change in the input volt age with the output curr ent remaining unchanged. 5. load regulation ( ? v out2 ) indicates the dependency of the out put voltage on the output current. that is, the val ues show how much the output voltage changes due to a change in the output curr ent with the input voltage remaining unchanged. 6. dropout voltage (v drop ) indicates the difference between the input voltage v in1 , which is the input voltage (v in ) at the point where the output voltage has fallen to 98% of the output voltage value v out3 after v in was gradually decreased from v in = v out(s) + 1.0 v, and the output vo ltage at that point (v out3 0.98). v drop = v in1 ? (v out3 0.98)
high ripple-rejection low dropout middle output current cmos voltage regulator s-1132 series rev.2.0 _00 12 seiko instruments inc. 7. ? ? ? ? ? ? ? ? ? out out v ta v voltage output of t coefficien e temperatur the shadowed area in figure 12 is the range where v out varies in the operating temperature range when the temperature coefficient of the output voltage is 100 ppm/ c. v out ( e ) *1 ex. s-1132b28 typ. ? 40 25 + 0.28 mv / c v out [v] *1. v out(e) is the value of the output voltage measured at 25 c. 85 ta [ c] ? 0.28 mv / c figure 12 a change in the temperature of t he output voltage [mv/c] is calcul ated using the following equation. [] [] [] 1000 c ppm/ v ta v v v c mv/ ta v out out out(s) out ? ? ? = ? ? 3 * 2 * *1 *1. change in temperat ure of output voltage *2. specified output voltage *3. output voltage temperature coefficient
high ripple-rejection low dropout middle output current cmos voltage regulator rev.2.0 _00 s-1132 series seiko instruments inc. 13 ? operation 1. basic operation figure 13 shows the block diagram of the s-1132 series. the error amplifier compar es the reference voltage (v ref ) with v fb , which is the output vo ltage resistance-divided by feedback resistors r s and r f . it supplies the output transistor with the gate voltage necessary to ensure a certain output voltage free of any fluctuations of input voltage and temperature. reference volta g e vout *1 *1. parasitic diode vss vin r s r f error amplifier current supply v ref ? + v fb figure 13 2. output transistor the s-1132 series uses a low on-resistance p- channel mos fet as the output transistor. be sure that v out does not exceed v in + 0.3 v to prevent the voltage regul ator from being damaged due to inverse current flowing from the vout pin th rough a parasitic diode to the vin pin.
high ripple-rejection low dropout middle output current cmos voltage regulator s-1132 series rev.2.0 _00 14 seiko instruments inc. 3. shutdown pin (on/off pin) this pin starts and stops the regulator. when the on/off pin is set to the shutdow n level, the operation of all internal circuits stops, and the built-in p-channel mos fet output transistor between the vi n pin and vout pin is turned off to substantially r educe the current consumption. the vout pin becomes the v ss level due to the internally divided resistance of several hundreds k ? between the vout pin and vss pin. the structure of the on/o ff pin is as shown in figure 14 . since the on/off pin is neither pulled down nor pulled up internally, do not use it in the floating st ate. in addition, note that the current consumption in creases if a voltage of 0.3 v to v in ? 0.3 v is applied to the on/off pin. when the on/off pin is not used, c onnect it to the vss pin if the logic type is ?a? and to the vin pin if it is ?b?. table 7 logic type on/off pin internal circuits vout pin voltage current consumption a ?l?: power on operating set value i ss1 a ?h?: power off stopped v ss level i ss2 b ?l?: power off stopped v ss level i ss2 b ?h?: power on operating set value i ss1 vss on/off vin figure 14
high ripple-rejection low dropout middle output current cmos voltage regulator rev.2.0 _00 s-1132 series seiko instruments inc. 15 ? precautions ? wiring patterns for the vin, vout and gnd pins should be designed so that the impedance is low. when mounting an output capacitor between the vout and vss pins (c l ) and a capacitor for stabiliz ing the input between vin and vss pins (c in ), the distance from the capacitors to t hese pins should be as short as possible. ? note that the output voltage may increase when a series regulator is us ed at low load current (1.0 ma or less). ? note that the output volt age may increase due to driver leakage when a series regulator is used at high temperatures. ? generally a series regulator may c ause oscillation, depending on the selecti on of external parts. the following conditions are recommended for this ic. however, be sure to perform sufficient eval uation under the actual usage conditions for selection, including evaluat ion of temperature characteristics. input capacitor (c in ): 0.1 f or more output capacitor (c l ): 0.1 f or more equivalent series resistance (esr): 2.0 ? or less ? the voltage regulator may oscillate w hen the impedance of the power supply is high and the i nput capacitor is small or an input capacitor is not connected. ? if the capacitance of the ic?s output block is small, the pow er supply fluctuation and load fluctuation characteristics become worse. it is therefore import ant to sufficiently evaluate the output voltage fluctuati on in the actual equipment. ? when the capacitance of the ic?s output block is sm all, if the power supply s uddenly increases sharply, a momentary overshoot may be output. it is therefore important to sufficiently evaluate t he output voltage at power application in the actual equipment. ? the application conditions for the i nput voltage, output volt age, and load current shoul d not exceed the package power dissipation. ? do not apply an electrostatic discharge to this ic that ex ceeds the performance ratings of the built-in electrostatic protection circuit. ? in determining the output current, attention should be paid to the out put current value specified in table 6 in the electrical characteristics and footnote *5) of the table. ? sii claims no responsibility for any dis putes arising out of or in connecti on with any infringement by products including this ic of patents owned by a third party.
high ripple-rejection low dropout middle output current cmos voltage regulator s-1132 series rev.2.0 _00 16 seiko instruments inc. ? typical characteristics (1) output voltage vs. output current (when load current increases) (ta = 25c) s-1132b15 s-1132b30 0 100 200 300 400 v out [v] 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 i out [ma] 1.8 500 600 v in = 2.0v 2.5v 6.5v 0 100 200 300 400 v out [v] 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 i out [ma] 500 600 v in = 3.5v 4.0v 6.5v s-1132b50 0 100 200 300 400 v out [v] 6 5 4 3 2 1 0 i out [ma] 500 600 v in = 5.5v 6.0v 6.5v remark in determining the output current, attention should be paid to the following. 1. the minimum output current value and footnote *5 specified in table 5 in the ? electrical characteristics ? 2. the package power dissipation (2) output voltage vs. input voltage (ta = 25c) s-1132b15 s-1132b30 1.0 1.5 2.0 2.5 3.0 v out [v] 1.6 1.5 1.4 1.3 1.2 1.1 1.0 v in [v] 3.5 100ma i out = 1ma 50ma 30ma 2.5 3.0 3.5 4.0 4.5 v out [v] 3.0 2.9 2.8 2.7 2.6 2.5 v in [v] 5.0 100ma i out = 1ma 50ma 30ma 3.1 s-1132b50 2.5 3.5 4.5 5.5 6.5 v out [v] 4.0 3.5 3.0 2.5 v in [v] 4.5 5.0 5.5 3.0 4.0 5.0 6.0 100ma i out = 1ma 50ma 30ma
high ripple-rejection low dropout middle output current cmos voltage regulator rev.2.0 _00 s-1132 series seiko instruments inc. 17 (3) dropout voltage vs. output current s-1132b15 s-1132b30 0 100 150 350 v drop [v] 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 i out [ma] 85 c 50 200 250 300 25 c -40 c 0 100 150 350 v drop [v] 0.6 0.5 0.4 0.3 0.2 0.1 0 i out [ma] 85 c 50 200 250 300 25 c -40 c s-1132b50 0 100 150 350 i out [ma] 85 c 50 200 250 300 25 c -40 c v drop [v] 0.6 0.5 0.4 0.3 0.2 0.1 0 (4) dropout voltage vs. set output voltage 0 23 v drop [v] 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 v ota [v] 1 456 300ma 100ma 50ma 30ma 1ma 0
high ripple-rejection low dropout middle output current cmos voltage regulator s-1132 series rev.2.0 _00 18 seiko instruments inc. (5) output voltage vs. ambient temperature s-1132b15 s-1132b30 -40 0 25 50 75 v out [v] 1.60 1.58 1.52 1.50 1.48 1.46 1.44 1.42 1.40 ta [ c ] 1.54 1.56 -25 85 -40 0 25 50 75 3.20 3.05 3.00 2.95 2.90 2.85 2.80 ta [ c ] 3.10 3.15 -25 85 v out [v] s-1132b50 -40 0 25 50 75 5.3 5.2 5.1 5.0 4.9 4.8 4.7 ta [ c ] -25 85 v out [v] (6) current consumption vs. input voltage s-1132b15 s-1132b30 02 567 i ss1 [ a] 16 10 8 2 0 v in [v] 1 34 20 85 c 25 c -40 c 4 6 12 14 18 02 567 i ss1 [ a] 20 15 10 5 0 v in [v] 1 34 25 85 c 25 c -40 c s-1132b50 02 567 i ss1 [ a] 20 15 10 5 0 v in [v] 1 34 25 85 c 25 c -40 c
high ripple-rejection low dropout middle output current cmos voltage regulator rev.2.0 _00 s-1132 series seiko instruments inc. 19 (7) ripple rejection (ta = 25c) s-1132b15 v in = 2.5 v, c out =0.1 f s-1132b30 v in = 4.0 v, c out = 0.1 f 10 100 1k 10k 100k ripple rejection [db] 0 20 40 60 80 frequency [hz] 1m 100 100ma 50ma i out = 1ma 10 100 1k 10k 100k ripple rejection [db] 0 20 40 60 80 frequency [hz] 1m 100 100ma 50ma i out = 1ma s-1132b50 v in = 6.0 v, c out =0.1 f 10 100 1k 10k 100k ripple rejection [db] 0 20 40 60 80 frequency [hz] 1m 100 100ma 50ma i out = 1ma
high ripple-rejection low dropout middle output current cmos voltage regulator s-1132 series rev.2.0 _00 20 seiko instruments inc. ? reference data (1) input transient response characteristics (ta = 25c) s-1132b15 i out = 100 ma, tr = tf = 5.0 s, c out = 0.1 f, c in = 0.1 f s-1132b30 i out = 100 ma, tr = tf = 5.0 s, c out = 0.1 f, c in = 0.1 f -20 80 120 180 v out [v] 1.62 1.60 1.58 1.56 1.54 1.52 1.50 1.48 1.46 t [ s] v in [v] 4.0 3.0 2.5 2.0 0 0.5 1.0 1.5 3.5 0 20 40 60 100 140 160 v out v in 3.16 3.12 3.08 3.04 3.00 2.96 2.92 -20 80 120 180 v out [v] t [ s] v in [v] 6 5 4 0 1 2 3 0 20 40 60 100 140 160 v out v in (2) load transient response characteristics (ta = 25c) s-1132b15 v in = 2.5 v, c out = 0.1 f, c in = 0.1 f, i out = 50 ? 100 ma s-1132b30 v in = 4.0 v, c out = 0.1 f, c in = 0.1 f, i out = 50 ? 100 ma -40 60 100 160 v out [v] 1.9 1.8 1.7 1.6 1.5 1.4 1.3 t [ s] i out [ma] 150 100 50 -150 -100 -50 0 -20 0 20 40 80 120 140 v out i out -40 60 100 160 v out [v] 3.8 3.6 3.4 3.2 3.0 2.8 2.6 t [ s] i out [ma] 150 100 50 -150 -100 -50 0 -20 0 20 40 80 120 140 v out i out s-1132b50 v in =6.0 v, c out = 0.1 f, c in = 0.1 f, i out = 50 ? 100 ma -40 60 100 160 v out [v] 5.8 5.6 5.4 5.2 5.0 4.8 4.6 t [ s] i out [ma] 150 100 50 -150 -100 -50 0 -20 0 20 40 80 120 140 v out i out
high ripple-rejection low dropout middle output current cmos voltage regulator rev.2.0 _00 s-1132 series seiko instruments inc. 21 (3) on / off pin transient response characteristics (ta = 25c) s-1132b15 v in = 2.5 v, c out = 0.1 f, c in = 0.1 f, i out = 80 ma s-1132b30 v in = 4.0 v, c out = 0.1 f, c in = 0.1 f, i out = 80 ma -0.4 0.2 v out [v] 10 8 6 4 2 0 -2 t [ms] -0.2 0 0.4 0.6 0.8 1.0 1.2 1.4 1.6 v on/off [v] 6 4 2 0 -6 -4 -2 v on/off v out -0.4 0.2 v out [v] 10 8 6 4 2 0 -2 t [ms] -0.2 0 0.4 0.6 0.8 1.0 1.2 1.4 1.6 v on/off [v] 6 4 2 0 -6 -4 -2 v out v on/off s-1132b50 v in = 6.0 v, c out = 0.1 f, c in = 0.1 f, i out = 80 ma -0.4 0.2 v out [v] 10 8 6 4 2 0 -2 t [ms] -0.2 0 0.4 0.6 0.8 1.0 1.2 1.4 1.6 v out v on/off 12 14 v on/off [v] 8 4 2 0 -8 -6 -4 -2 6 (4) input transient response characteristics - capacity value characteristics (ta = 25c) s-1132b15 v in = 2.5 v 4.5 v, tr = 5 f, i out = 100 ma v in = 4.5 v 2.5 v, tr = 5 f, i out = 100 ma -80 0 40 80 v out [v] 1.70 1.65 1.60 1.55 1.50 1.45 1.40 t [ s] v in [v] 4 2 0 -4 -2 6 -60 -40 -20 20 60 -6 c = 1.0 c = 0.1 v out v in -80 0 40 80 v out [v] 1.8 1.7 1.6 1.5 1.4 1.3 1.2 t [ s] v in [v] 4 2 0 -4 -2 6 -60 -40 -20 20 60 -6 v out v in c = 1.0 c = 0.1 (5) load transient response characteristics - capacity value characteristics (ta = 25c) s-1132b15 v in = 2.5 v, i out = 1 50 ma v in = 2.5 v, i out = 50 1 ma -100 0 40 100 v out [v] 2.2 2.0 1.8 1.6 1.4 1.2 1.0 t [ s] i out [ma] 50 0 100 -60 -40 -20 20 60 80 -80 c = 1.0 c = 0.1 v out i out -200 0 100 200 v out [v] 2.2 2.0 1.8 1.6 1.4 1.2 1.0 t [ s] i out [ma] 50 0 100 -150 -100 -50 50 150 c = 1.0 c = 0.1 v out i out
high ripple-rejection low dropout middle output current cmos voltage regulator s-1132 series rev.2.0 _00 22 seiko instruments inc. ? marking specification (1) sot-23-5 (1) to (3) : product code (refer to product name vs. product code ) (4) : lot number 5 4 1 3 2 (1) (2) (3) (4) sot-23-5 to p vie w product name vs. product code product code product code product name (1) (2) (3) product name (1) (2) (3) s-1132b15-m5t1 q l a s-1132b36-m5t1 q l v s-1132b16-m5t1 q l b s-1132b37-m5t1 q l w s-1132b17-m5t1 q l c s-1132b38-m5t1 q l x s-1132b18-m5t1 q l d s-1132b39-m5t1 q l y s-1132b19-m5t1 q l e s-1132b40-m5t1 q l z s-1132b20-m5t1 q l f s-1132b41-m5t1 q m a s-1132b21-m5t1 q l g s-1132b42-m5t1 q m b s-1132b22-m5t1 q l h s-1132b43-m5t1 q m c s-1132b23-m5t1 q l i s-1132b44-m5t1 q m d s-1132b24-m5t1 q l j s-1132b45-m5t1 q m e s-1132b25-m5t1 q l k s-1132b46-m5t1 q m f s-1132b26-m5t1 q l l s-1132b47-m5t1 q m g s-1132b27-m5t1 q l m s-1132b48-m5t1 q m h s-1132b28-m5t1 q l n s-1132b49-m5t1 q m i s-1132b29-m5t1 q l o s-1132b50-m5t1 q m j s-1132b30-m5t1 q l p s-1132b51-m5t1 q m k s-1132b31-m5t1 q l q s-1132b52-m5t1 q m l s-1132b32-m5t1 q l r s-1132b53-m5t1 q m m s-1132b33-m5t1 q l s s-1132b54-m5t1 q m n s-1132b34-m5t1 q l t s-1132b55-m5t1 q m o s-1132b35-m5t1 q l u remark please contact the sii marketing departm ent for products with type a products.
high ripple-rejection low dropout middle output current cmos voltage regulator rev.2.0 _00 s-1132 series seiko instruments inc. 23 (2) sot-89-5 (1) to (3) : product code (refer to product name vs. product code ) (4) to (6) : lot number 5 4 1 3 2 (2) sot-89-5 to p vie w (1) (3) (5) (4) (6) product name vs. product code product code product code product name (1) (2) (3) product name (1) (2) (3) s-1132b15-u5t1 q l a s-1132b36-u5t1 q l v s-1132b16-u5t1 q l b s-1132b37-u5t1 q l w s-1132b17-u5t1 q l c s-1132b38-u5t1 q l x s-1132b18-u5t1 q l d s-1132b39-u5t1 q l y s-1132b19-u5t1 q l e s-1132b40-u5t1 q l z s-1132b20-u5t1 q l f s-1132b41-u5t1 q m a s-1132b21-u5t1 q l g s-1132b42-u5t1 q m b s-1132b22-u5t1 q l h s-1132b43-u5t1 q m c s-1132b23-u5t1 q l i s-1132b44-u5t1 q m d s-1132b24-u5t1 q l j s-1132b45-u5t1 q m e s-1132b25-u5t1 q l k s-1132b46-u5t1 q m f s-1132b26-u5t1 q l l s-1132b47-u5t1 q m g s-1132b27-u5t1 q l m s-1132b48-u5t1 q m h s-1132b28-u5t1 q l n s-1132b49-u5t1 q m i s-1132b29-u5t1 q l o S-1132B50-U5T1 q m j s-1132b30-u5t1 q l p s-1132b51-u5t1 q m k s-1132b31-u5t1 q l q s-1132b52-u5t1 q m l s-1132b32-u5t1 q l r s-1132b53-u5t1 q m m s-1132b33-u5t1 q l s s-1132b54-u5t1 q m n s-1132b34-u5t1 q l t s-1132b55-u5t1 q m o s-1132b35-u5t1 q l u remark please contact the sii marketing departm ent for products with type a products.
high ripple-rejection low dropout middle output current cmos voltage regulator s-1132 series rev.2.0 _00 24 seiko instruments inc. (3) snt-6a(h) (1) to (3) : product code (refer to product name vs. product code ) (4) to (6) : lot number snt-6a(h) top view 1 2 3 4 6 5 (1) (4) (2) (5) (3) (6) product name vs. product code product code product code product name (1) (2) (3) product name (1) (2) (3) s-1132b15-i6t2g q l a s-1132b36-i6t2g q l v s-1132b16-i6t2g q l b s-1132b37-i6t2g q l w s-1132b17-i6t2g q l c s-1132b38-i6t2g q l x s-1132b18-i6t2g q l d s-1132b39-i6t2g q l y s-1132b19-i6t2g q l e s-1132b40-i6t2g q l z s-1132b20-i6t2g q l f s-1132b41-i6t2g q m a s-1132b21-i6t2g q l g s-1132b42-i6t2g q m b s-1132b22-i6t2g q l h s-1132b43-i6t2g q m c s-1132b23-i6t2g q l i s-1132b44-i6t2g q m d s-1132b24-i6t2g q l j s-1132b45-i6t2g q m e s-1132b25-i6t2g q l k s-1132b46-i6t2g q m f s-1132b26-i6t2g q l l s-1132b47-i6t2g q m g s-1132b27-i6t2g q l m s-1132b48-i6t2g q m h s-1132b28-i6t2g q l n s-1132b49-i6t2g q m i s-1132b29-i6t2g q l o s-1132b50-i6t2g q m j s-1132b30-i6t2g q l p s-1132b51-i6t2g q m k s-1132b31-i6t2g q l q s-1132b52-i6t2g q m l s-1132b32-i6t2g q l r s-1132b53-i6t2g q m m s-1132b33-i6t2g q l s s-1132b54-i6t2g q m n s-1132b34-i6t2g q l t s-1132b55-i6t2g q m o s-1132b35-i6t2g q l u remark please contact the sii marketing departm ent for products with type a products.

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the information described herein is subject to change without notice. seiko instruments inc. is not responsible for any problems caused by circuits or diagrams described herein whose related industrial properties, patents, or other rights belong to third parties. the application circuit examples explain typical applications of the products, and do not guarantee the success of any specific mass-production design. when the products described herein are regulated products subject to the wassenaar arrangement or other agreements, they may not be exported without authorization from the appropriate governmental authority. use of the information described herein for other purposes and/or reproduction or copying without the express permission of seiko instruments inc. is strictly prohibited. the products described herein cannot be used as part of any device or equipment affecting the human body, such as exercise equipment, medical equipment, security systems, gas equipment, or any apparatus installed in airplanes and other vehicles, without prior written permission of seiko instruments inc. although seiko instruments inc. exerts the greatest possible effort to ensure high quality and reliability, the failure or malfunction of semiconductor products may occur. the user of these products should therefore give thorough consideration to safety design, including redundancy, fire-prevention measures, and malfunction prevention, to prevent any accidents, fires, or community damage that may ensue.

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