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rev.2.0 _00 high ripple-rejection low dropout low input-and-output capacitance cmos voltage regulator s-1200 series seiko instruments inc. 1 the s-1200 series is a pos itive voltage regulator with a low dropout volt age, high output voltage accuracy developed based on cmos technology. a 0.1 f small ceramic capacitor can be used. it operates with low current consumption of 18 a typ. a built-in output current protector prevents the load current from exceeding the current capacitance of the out put transistor. compared with the volt age regulators using the conventional cmos process, small ceramic capacitors are also available. furthermore a small snt-6a(h) and sot-23-5 packages realize high- density mounting. ? 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 for the output capacitor. ? wide input voltage range: 2.0 v to 10.0 v ? high-accuracy output voltage: 1.0% ? low dropout voltage: 140 mv typ. (3.0 v output product, i out = 100 ma) ? low current consumption: during operation: 18 a typ., 40 a max. during shutdown: 0.01 a typ., 1.0 a max. ? output current: 150 ma output is possible (@ v in v out(s) + 1.0 v) *1 ? high ripple rejection: 70 db typ. (@ 1.0 khz, 1.5 v v out 3.0 v ) 65 db typ. (@ 1.0 khz, 3.1 v v out 5.5 v ) ? built-in overcurrent protector: overcurrent of output trans istor can be restricted. ? built-in on/off circuit: ensures long battery life. ? small package: sot-23-5, snt-6a(h) *1. attention should be paid to the power dissipation of the package when the output 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 snt-6a(h) pi006-a pi006-a pi006-a sot-23-5 mp005-a mp005-a mp005-a
high ripple-rejection low dropo ut low input-and-output capaci ty cmos voltage regulator s-1200 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 dropo ut low input-and-output capaci ty cmos voltage regulator rev.2.0 _00 s-1200 series seiko instruments inc. 3 ? product code structure ? the product types, output voltage value and package types for the s-1200 series can be selected at the user?s request. refer to the ?product name? for t he meanings of the characters in the product name and ?product name list? for the full product names. 1. product name (1) package snt-6a(h) s-1200 x xx - i6t2 g fixed package code and packing specifications *1 i6t2 : snt-6a(h), tape output voltage value 15 to 55 (e.g. when 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 specificat ions at the end of this book. *2. refer to 3. shutdown (on/off pin) under the operation. (2) package sot-23-5 s-1200 x xx ? m5t1 package name (abbreviation) and packing specifications *1 m5t1: sot-23-5, 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 specificat ions at the end of this book. *2. refer to 3. shutdown (on/off pin) under the operation.
high ripple-rejection low dropo ut low input-and-output capaci ty cmos voltage regulator s-1200 series rev.2.0 _00 4 seiko instruments inc. 2. product name list table 1 output voltage snt-6a(h) sot-23-5 1.5 v 1.0% s-1200b15-i6t2g s-1200b15-m5t1 1.6 v 1.0% s-1200b16-i6t2g s-1200b16-m5t1 1.7 v 1.0% s-1200b17-i6t2g s-1200b17-m5t1 1.8 v 1.0% s-1200b18-i6t2g s-1200b18-m5t1 1.9 v 1.0% s-1200b19-i6t2g s-1200b19-m5t1 2.0 v 1.0% s-1200b20-i6t2g s-1200b20-m5t1 2.1 v 1.0% s-1200b21-i6t2g s-1200b21-m5t1 2.2 v 1.0% s-1200b22-i6t2g s-1200b22-m5t1 2.3 v 1.0% s-1200b23-i6t2g s-1200b23-m5t1 2.4 v 1.0% s-1200b24-i6t2g s-1200b24-m5t1 2.5 v 1.0% s-1200b25-i6t2g s-1200b25-m5t1 2.6 v 1.0% s-1200b26-i6t2g s-1200b26-m5t1 2.7 v 1.0% s-1200b27-i6t2g s-1200b27-m5t1 2.8 v 1.0% s-1200b28-i6t2g s-1200b28-m5t1 2.9 v 1.0% s-1200b29-i6t2g s-1200b29-m5t1 3.0 v 1.0% s-1200b30-i6t2g s-1200b30-m5t1 3.1 v 1.0% s-1200b31-i6t2g s-1200b31-m5t1 3.2 v 1.0% s-1200b32-i6t2g s-1200b32-m5t1 3.3 v 1.0% s-1200b33-i6t2g s-1200b33-m5t1 3.4 v 1.0% s-1200b34-i6t2g s-1200b34-m5t1 3.5 v 1.0% s-1200b35-i6t2g s-1200b35-m5t1 3.6 v 1.0% s-1200b36-i6t2g s-1200b36-m5t1 3.7 v 1.0% s-1200b37-i6t2g s-1200b37-m5t1 3.8 v 1.0% s-1200b38-i6t2g s-1200b38-m5t1 3.9 v 1.0% s-1200b39-i6t2g s-1200b39-m5t1 4.0 v 1.0% s-1200b40-i6t2g s-1200b40-m5t1 4.1 v 1.0% s-1200b41-i6t2g s-1200b41-m5t1 4.2 v 1.0% s-1200b42-i6t2g s-1200b42-m5t1 4.3 v 1.0% s-1200b43-i6t2g s-1200b43-m5t1 4.4 v 1.0% s-1200b44-i6t2g s-1200b44-m5t1 4.5 v 1.0% s-1200b45-i6t2g s-1200b45-m5t1 4.6 v 1.0% s-1200b46-i6t2g s-1200b46-m5t1 4.7 v 1.0% s-1200b47-i6t2g s-1200b47-m5t1 4.8 v 1.0% s-1200b48-i6t2g S-1200B48-M5T1 4.9 v 1.0% s-1200b49-i6t2g s-1200b49-m5t1 5.0 v 1.0% s-1200b50-i6t2g s-1200b50-m5t1 5.1 v 1.0% s-1200b51-i6t2g s-1200b51-m5t1 5.2 v 1.0% s-1200b52-i6t2g s-1200b52-m5t1 5.3 v 1.0% s-1200b53-i6t2g s-1200b53-m5t1 5.4 v 1.0% s-1200b54-i6t2g s-1200b54-m5t1 5.5 v 1.0% s-1200b55-i6t2g s-1200b55-m5t1 remark please contact the sii marketing department for productswith type a products.
high ripple-rejection low dropo ut low input-and-output capaci ty cmos voltage regulator rev.2.0 _00 s-1200 series seiko instruments inc. 5 ? pin configuration table 2 pin no. symbol pin description 1 vout output voltage pin 2 vss gnd pin 3 nc *1 no connection 4 on/off shutdown pin 5 vss gnd pin 6 vin input voltage pin snt-6a(h) top view 1 2 3 4 6 5 figure 2 *1. the nc pin is electrically open. the nc pin can be connected to vin or vss. table 3 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 view figure 3
high ripple-rejection low dropo ut low input-and-output capaci ty cmos voltage regulator s-1200 series rev.2.0 _00 6 seiko instruments inc. ? absolute maximum ratings table 4 (ta = 25 c unless otherwise specified) item symbol absolute maximum rating unit input voltage v in v ss ? 0.3 to v ss + 12 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 snt-6a(h) p d 500 *1 mw sot-23-5 300 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 76 mm 1.6t mm (2) board name : jedec standard51-7 caution the absolute maximum ratings are rated values exceeding which the product could suffer physical damage. these values must therefore not be exceeded under any conditions. 0 50 100 150 600 400 0 power dissi p ation ( p d ) [ mw ] a mbient tem p erature ( ta ) [ c ] snt-6a ( h ) 200 figure 4 power dissipation of the packag e (mounting on printed circuit board)
high ripple-rejection low dropo ut low input-and-output capaci ty cmos voltage regulator rev.2.0 _00 s-1200 series seiko instruments inc. 7 ? electrical characteristics table 5 (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 = 30 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 150 *5 ? ? ma 3 dropout voltage *3 v drop i out = 30 ma 1.5 v v out(s) 1.9 v 0.50 0.50 0.51 v 2.0 v v out(s) 2.4 v ? 0.08 0.12 2.5 v v out(s) 2.9 v ? 0.06 0.08 3.0 v v out(s) 3.2 v ? 0.05 0.07 3.3 v v out(s) 5.5 v ? 0.04 0.06 i out = 100 ma 1.5 v v out(s) 1.9 v 0.50 0.55 0.60 2.0 v v out(s) 2.4 v ? 0.24 0.31 2.5 v v out(s) 2.9 v ? 0.16 0.23 3.0 v v out(s) 3.2 v ? 0.14 0.21 3.3 v v out(s) 5.5 v ? 0.13 0.19 line regulation out in out1 v v v ? ? ? v out(s) + 0.5 v v in 10 v, i out = 30 ma ? 0.01 0.2 % / v 1 load regulation ? v out2 v in = v out(s) + 1.0 v, 1.0 ma i out 80 ma ? 15 50 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 ? 18 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 ? 10 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 = 7.0 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 dropo ut low input-and-output capaci ty cmos voltage regulator s-1200 series rev.2.0 _00 8 seiko instruments inc. *1. v out(s) : specified output voltage v out(e) : actual output voltage at the fixed load the output voltage when fixing i out ( = 30 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 = 30 ma or 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 temperature 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 val ue may not be satisfied. attent ion should be paid to the power dissipation of the package when t he output current is large. this specification is guaranteed by design.
high ripple-rejection low dropo ut low input-and-output capaci ty cmos voltage regulator rev.2.0 _00 s-1200 series seiko instruments inc. 9 ? test circuits 1. vss vout on/off set to power on vin v a + + figure 5 2. vss vout on/off set to v in or gnd vin a figure 6 3. set to power on vss vout on/off vin v a + + figure 7 4. vss vout on/off vin a v r l + + figure 8 5. vss vout on/off vin v + set to power on r l figure 9
high ripple-rejection low dropo ut low input-and-output capaci ty cmos voltage regulator s-1200 series rev.2.0 _00 10 seiko instruments inc. ? standard circuit on/off vss vout 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 10 caution the above connection diagram and cons tant 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: 1.0 ? or less caution a general series regulator may oscillate , depending on the external 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-1200 series requires an output capacitor betw een the vout and vss pins for phase compensation. operation is stabilized by a ceramic capac itor with an output capacitance of 0.1 f or more in the entire temperature range. however, when using an os capacit or, tantalum capacitor, or aluminum electrolytic capacitor, a ceramic capacitor with a capacitance of 0.1 f or more and an esr of 1.0 ? or less is required. the value of the output overshoot or undershoot transi ent response varies depending on the value of the output capacitor. the required capacitance of the i nput 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 evaluation, including evaluati on of temperature characteristics, on the actual device.
high ripple-rejection low dropo ut low input-and-output capaci ty cmos voltage regulator rev.2.0 _00 s-1200 series seiko instruments inc. 11 ? explanation of terms 1. low dropout voltage regulator the low dropout voltage regulator is a voltage regulat or whose dropout voltage is low due to its built-in low on-resistance transistor. 2. low esr a capacitor whose esr (equivalent series resistanc e) is low. the s-1200 series enables use of a low esr capacitor, such as a ceramic capac itor, for the output-side capacitor c l . a capacitor whose esr is 1.0 ? 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 c onditions 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 may 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 output vo ltage on the input voltage. that is, the values show how much the output voltage changes due to a change in the i nput voltage with the output current remaining unchanged. 5. load regulation ( ? v out2 ) indicates the dependency of the output voltage on the output current. that is, the values show how much the output voltage changes due to a change in the output current 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 voltage at that point (v out3 0.98). v drop = v in1 ? (v out3 0.98)
high ripple-rejection low dropo ut low input-and-output capaci ty cmos voltage regulator s-1200 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 11 is the range where v out varies in the operating temperature range when the temperature coeffici ent of the output voltage is 100 ppm/ c. v out ( e ) *1 ex. s-1200b28 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 11 a change in the temperature of the output voltage [m v/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. change in temperature of output voltage *2. specified output voltage *3. output voltage temperature coefficient
high ripple-rejection low dropo ut low input-and-output capaci ty cmos voltage regulator rev.2.0 _00 s-1200 series seiko instruments inc. 13 ? operation 1. basic operation figure 12 shows the block diagram of the s-1200 series. the error amplifier compares the reference voltage (v ref ) with v fb , which is the output voltage 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 fl uctuations of input voltage and temperature. reference voltage circuit vout *1 *1. parasitic diode vss vin r s r f error amplifier current supply v ref ? + v fb figure 12 2. output transistor the s-1200 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 regulator from being damaged due to inverse current flowing from the vout pin through a parasitic diode to the vin pin.
high ripple-rejection low dropo ut low input-and-output capaci ty cmos voltage regulator s-1200 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 shutdown level, the operation of all internal circuits stops, and the built- in p-channel mos fet output transistor between the vin pin and vout pin is turned off to substantially reduce 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/off pin is as shown in figure 13 . 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 increases 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, connect it to the vss pin if the logic ty pe is ?a? and to the vin pin if it is ?b?. table 6 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 13
high ripple-rejection low dropo ut low input-and-output capaci ty cmos voltage regulator rev.2.0 _00 s-1200 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 stabilizing the input between vin and vss pins (c in ), the distance from the capacit ors to these pins should be as short as possible. ? note that the output voltage may increase when a series regulator is used at low load current (1.0 ma or less). ? note that the output voltage may increase due to driv er leakage when a series regulator is used at high temperatures. ? generally a series regulator may cause oscillati on, depending on the selection of external parts. the following conditions are recommended for this ic. howe ver, be sure to perform sufficient evaluation under the actual usage conditions for selection, incl uding evaluation of temper ature characteristics. input capacitor (c in ): 0.1 f or more output capacitor (c l ): 0.1 f or more equivalent series resistance (esr): 1.0 ? or less ? the voltage regulator may oscillate when the im pedance of the power supply is high and the input capacitor is small or an input capacitor is not connected. ? if the capacitance of the ic?s output block is sma ll, the power supply fluctuation and load fluctuation characteristics become worse. it is therefore im portant to sufficiently evaluate the output voltage fluctuation in the actual equipment. ? when the capacitance of the ic?s output block is sm all, if the power supply suddenly increases sharply, a momentary overshoot may be output. it is theref ore important to suffici ently evaluate the output voltage at power application in the actual equipment. ? the application conditions for the input voltage, output voltage, and load curr ent should not exceed the package power dissipation. ? do not apply an electrostatic discharge to this ic that exceeds the performanc e ratings of the built-in electrostatic protection circuit. ? in determining the output current, attention should be paid to the output current value specified in table 5 in the electrical characterist ics and footnote *5) of the table. ? sii claims no responsibility for any disputes arising out of or in connection with any infringement by products including this ic of patents owned by a third party.
high ripple-rejection low dropo ut low input-and-output capaci ty cmos voltage regulator s-1200 series rev.2.0 _00 16 seiko instruments inc. ? typical characteristics (1) output voltage vs. output cu rrent (when load current increases) s-1200b15 (ta = 25c) s-1200b30 (ta = 25c) v out [v] 0 100 200 300 400 500 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 2.0 v 1.8 v v in = 10 v 3.0 v 2.5 v v out [v] 200 300 400 500 100 0 600 v in = 10 v 5.0 v 4.0 v 3.5 v 3.3 v 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 i out [ma] i out [ma] s-1200b50 (ta = 25c) v out [v] 200 300 400 100 0 500 v in = 5.3 v 5.5 v 6.0 v 10 v 7.0 v 6 5 4 3 2 1 0 600 i out [ma] remark in determining the output current, attention should be paid to the following. 1) the minimum output current value and footnote *5 in the electrical characteristics 2) the package power dissipation (2) output voltage vs. input voltage s-1200b15 (ta = 25c) s-1200b30 (ta = 25c) v out [v] 1.6 1.5 1.4 1.3 1.2 1.1 1.0 3.5 3.0 2.5 2.0 1.5 1.0 i out = 1.0 ma 30 ma 50 ma v out [v] 3.1 3.0 2 .9 2 .8 2 .7 2 .6 2 .5 5.0 4.5 4.0 3.5 3.0 2.5 30 ma 50 ma i out =1.0 ma v in [v] v in [v] s-1200b50 (ta = 25c) v out [v] 5.5 5.0 4.5 4.0 3.5 3.0 2.5 7.0 6.0 5.0 4.0 3.0 2.0 i out = 1.0 ma 30 ma 50 ma v in [v]
high ripple-rejection low dropo ut low input-and-output capaci ty cmos voltage regulator rev.2.0 _00 s-1200 series seiko instruments inc. 17 (3) dropout voltage vs. output current s-1200b15 s-1200b30 v drop [v] 200 50 100 150 0 0.50 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0 ? 40c 25c 85c v drop [v] 200 50 100 150 0 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0 25c ? 40c 85c i out [ma] i out [ma] s-1200b50 v drop [v] 200 50 100 150 0 0.30 0.25 0.20 0.15 0.10 0.05 0 85c 25c ? 40c i out [ma] (4) dropout voltage vs. set output voltage v drop [v] 1 2 3 4 5 0 6 50 ma 30 ma 10 ma 100 ma 80 ma 150 ma 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0 v ota [v]
high ripple-rejection low dropo ut low input-and-output capaci ty cmos voltage regulator s-1200 series rev.2.0 _00 18 seiko instruments inc. (5) current consumption during s hutdown vs. ambient temperature s-1200b15 (v in = 2.5 v) i ss2 [ a] 85 25 50 ?40 0.5 0.4 0.3 0.2 0.1 0 ?25 0 75 ta [ c] (6) output voltage vs. ambient temperature s-1200b15 s-1200b30 v out [v] 1.60 1.55 1.50 1.45 1.40 25 ?25 85 ?40 0 50 75 v out [v] 0 25 ? 40 ? 25 50 75 3.20 3.15 3.10 3.05 3.00 2.95 2.90 2.85 2.80 85 ta [ c] ta [ c] s-1200b50 v out [v] 85 75 50 25 0 ?25 ?40 5.3 5.2 5.1 5.0 4.9 4.8 4.7 ta [ c]
high ripple-rejection low dropo ut low input-and-output capaci ty cmos voltage regulator rev.2.0 _00 s-1200 series seiko instruments inc. 19 (7) current consumption vs. input voltage s-1200b15 s-1200b30 i ss1 [ a] 25 20 15 10 5 0 10 9 8 7 6 5 4 3 2 1 0 ? 40c 25c 85c i ss1 [ a] 25 20 15 10 5 0 10 ? 40c 25c 85c 9 8 7 6 5 4 3 2 1 0 v in [v] v in [v] s-1200b50 i ss1 [ a] 10 25 20 15 10 5 0 ?40c 25c 85c 9 8 7 6 5 4 3 2 1 0 v in [v] (8) ripple rejection s-1200b15 (ta = 25c) s-1200b30 (ta = 25c) v in = 2.5 v, c out = 0.1 f v in = 4.0 v, c out = 0.1 f ripple rejection [db] 100 1k 10k 100k 10 i out = 1 ma 50 ma 90 80 70 60 50 40 30 20 10 0 1m ripple rejection [db] 100 1k 10k 100k 10 90 80 70 60 50 40 30 20 10 0 1m i out = 1 ma 50 ma frequency [hz] frequency [hz] s-1200b50 (ta = 25c) v in = 6.0 v, c out = 0.1 f ripple rejection [db] 100 1k 10k 100k 10 90 80 70 60 50 40 30 20 10 0 1m i out = 1 ma 50 ma frequency [hz]
high ripple-rejection low dropo ut low input-and-output capaci ty cmos voltage regulator s-1200 series rev.2.0 _00 20 seiko instruments inc. ? reference data (1) input transient response characteristics s-1200b15 (ta = 25c) s-1200b30 (ta = 25c) i out = 30 ma, tr = tf = 5.0 s, c out = 0.1 f, c in = 0.1 f i out = 30 ma, tr = tf = 5.0 s, c out = 0.1 f, c in = 0.1 f v out [v] 1.62 1.60 1.58 1.56 1.54 1.52 1.50 1.48 1.46 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 v out v in -40 -20 0 20 40 60 80 100 120 140 160 v in [v] v out [v] -40 -20 0 20 40 60 80 100 120 140 160 v in v out 3.08 3.06 3.04 3.02 3.00 2.98 2.96 6 5 4 3 2 1 0 v in [v] t [ s] t [ s] s-1200b50 (ta = 25c) i out = 30 ma, tr = tf = 5.0 s, c out = 0.1 f, c in = 0.1 f v out [v] 5.12 5.10 5.08 5.06 5.04 5.02 5.00 4.98 4.96 8 7 6 5 4 3 2 1 0 v in v out -40 -20 0 20 40 60 80 100 120 140 160 v in [v] t [ s] (2) load transient response characteristics s-1200b15 (ta = 25c) s-1200b30 (ta = 25c) v in = 2.5 v, c out = 0.1 f, c in = 0.1 f, i out = 50 ? 100 ma v in = 4.0 v, c out = 0.1 f, c in = 0.1 f, i out = 50 ? 100 ma v out [v] 0 20 40 60 80 100 120 140 -40 -20 160 i out v out 1.70 1.65 1.60 1.55 1.50 1.45 1.40 150 100 50 0 ?50 ?100 ?150 i out [ma] v out [v] 0 20 40 60 80 100 120 140 -40 -20 160 i out v out 150 100 50 0 ?50 ?100 ?150 3.20 3.15 3.10 3.05 3.00 2.95 2.90 i out [ma] t [ s] t [ s] s-1200b50 (ta = 25c) v in = 6.0 v, c out = 0.1 f, c in = 0.1 f, i out = 50 ? 100 ma v out [v] 0 20 40 60 80 100 120 140 -40 -20 160 v out i out 5.20 5.15 5.10 5.05 5.00 4.95 4.90 150 100 50 0 ?50 ?100 ?150 i out [ma] t [ s]
high ripple-rejection low dropo ut low input-and-output capaci ty cmos voltage regulator rev.2.0 _00 s-1200 series seiko instruments inc. 21 (3) shutdown pin transient response characteristics s-1200b15 (ta = 25c) s-1200b30 (ta = 25c) v in = 2.5 v, c out = 0.1 f, c in = 0.1 f, i out = 30 ma v in = 4.0 v, c out = 0.1 f, c in = 0.1 f, i out = 30 ma v out [v] 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 -0.4 -0.2 1.6 v on/off v out 3 2 1 0 ?1 ?2 ? 3 5 4 3 2 1 0 ?1 v on/off [v] v out [v] 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 -0.4 -0.2 1.6 v on/off v out 6 4 2 0 ?2 ?4 ? 6 10 8 6 4 2 0 ?2 v on/off [v] t [ms] v on/off [v] s-1200b50 (ta = 25c) v in = 6.0 v, c out = 0.1 f, c in = 0.1 f, i out = 30 ma v out [v] 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 -0.4 -0.2 1.6 v on/off v out 9 6 3 0 ?3 ?6 ? 9 20 16 12 8 4 0 ?4 v on/off [v] t [ms] (4) input transient response characteristics ? capacity value characteristics s-1200b15 (ta = 25c) v in = 2.5 4.5 v, tr = 5 s, i out = 50 ma v in = 4.5 2.5 v, tr = 5 s, i out = 50 ma v out [v] 1.8 1.7 1.6 1.5 1.4 1.3 1.2 6 4 2 0 ?2 ?4 ?6 0 20 40 60 80 100 120 140 -40 -20 160 v in c out = 1.0 f c out = 0.1 f v out v in [v] v out [v] 2.0 1.8 1.6 1.4 1.2 1.0 0.8 6 4 2 0 ?2 ?4 ?6 0 20 40 60 80 100 120 140 -40 -20 160 v in c out = 0.1 f c out = 1.0 f v out v in [v] t [ s] t [ s] (5) load transient response characteristics ? capacity value characteristics s-1200b15 (ta = 25c) v in = 2.5 v, i out = 1 50 ma v in = 2.5 v , i out = 50 1 ma v out [v] 2.0 1.8 1.6 1.4 1.2 1.0 0.8 100 50 0 0 20 40 60 80 100 120 140 -40 -20 160 i out c out = 0.1 f c out = 1.0 f v out i out [ma] v out [v] 2.2 2.0 1.8 1.6 1.4 1.2 1.0 100 50 0 0 20 40 60 80 100 120 140 -40 -20 160 i out c out = 0.1 f c out = 1.0 f v out i out [ma] t [ s] t [ s]
high ripple-rejection low dropo ut low input-and-output capaci ty cmos voltage regulator s-1200 series rev.2.0 _00 22 seiko instruments inc. ? marking specification (1) snt-6a(h) (1) to (3) : product code (refer to product name vs. product code ) (4) to (6) : lot number snt-6a(h) to p 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-1200b15-i6t2g p o a s-1200b36-i6t2g p o v s-1200b16-i6t2g p o b s-1200b37-i6t2g p o w s-1200b17-i6t2g p o c s-1200b38-i6t2g p o x s-1200b18-i6t2g p o d s-1200b39-i6t2g p o y s-1200b19-i6t2g p o e s-1200b40-i6t2g p o z s-1200b20-i6t2g p o f s-1200b41-i6t2g p p a s-1200b21-i6t2g p o g s-1200b42-i6t2g p p b s-1200b22-i6t2g p o h s-1200b43-i6t2g p p c s-1200b23-i6t2g p o i s-1200b44-i6t2g p p d s-1200b24-i6t2g p o j s-1200b45-i6t2g p p e s-1200b25-i6t2g p o k s-1200b46-i6t2g p p f s-1200b26-i6t2g p o l s-1200b47-i6t2g p p g s-1200b27-i6t2g p o m s-1200b48-i6t2g p p h s-1200b28-i6t2g p o n s-1200b49-i6t2g p p i s-1200b29-i6t2g p o o s-1200b50-i6t2g p p j s-1200b30-i6t2g p o p s-1200b51-i6t2g p p k s-1200b31-i6t2g p o q s-1200b52-i6t2g p p l s-1200b32-i6t2g p o r s-1200b53-i6t2g p p m s-1200b33-i6t2g p o s s-1200b54-i6t2g p p n s-1200b34-i6t2g p o t s-1200b55-i6t2g p p o s-1200b35-i6t2g p o u remark please contact the sii marketing departm ent for products with type a products.
high ripple-rejection low dropo ut low input-and-output capaci ty cmos voltage regulator rev.2.0 _00 s-1200 series seiko instruments inc. 23 (2) sot-23-5 (1) to (3) : product code (refer to product name vs. product code ) (4) : lot number 1 sot-23-5 to p view 2 3 4 (1) (2) (3) (4) 5 product name vs. product code product code product code product name (1) (2) (3) product name (1) (2) (3) s-1200b15-m5t1 p o a s-1200b36-m5t1 p o v s-1200b16-m5t1 p o b s-1200b37-m5t1 p o w s-1200b17-m5t1 p o c s-1200b38-m5t1 p o x s-1200b18-m5t1 p o d s-1200b39-m5t1 p o y s-1200b19-m5t1 p o e s-1200b40-m5t1 p o z s-1200b20-m5t1 p o f s-1200b41-m5t1 p p a s-1200b21-m5t1 p o g s-1200b42-m5t1 p p b s-1200b22-m5t1 p o h s-1200b43-m5t1 p p c s-1200b23-m5t1 p o i s-1200b44-m5t1 p p d s-1200b24-m5t1 p o j s-1200b45-m5t1 p p e s-1200b25-m5t1 p o k s-1200b46-m5t1 p p f s-1200b26-m5t1 p o l s-1200b47-m5t1 p p g s-1200b27-m5t1 p o m S-1200B48-M5T1 p p h s-1200b28-m5t1 p o n s-1200b49-m5t1 p p i s-1200b29-m5t1 p o o s-1200b50-m5t1 p p j s-1200b30-m5t1 p o p s-1200b51-m5t1 p p k s-1200b31-m5t1 p o q s-1200b52-m5t1 p p l s-1200b32-m5t1 p o r s-1200b53-m5t1 p p m s-1200b33-m5t1 p o s s-1200b54-m5t1 p p n s-1200b34-m5t1 p o t s-1200b55-m5t1 p p o s-1200b35-m5t1 p o 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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