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njm2831 - 1 - ver.2008-12-02 low dropout voltage regulator general description package outline the njm2831 is a 100ma output low dropout voltage regulator with on/off control. advanced bipolar technology ac hieves low noise, high ripple rejection and low quiescent current. 2.1v to 15.5v output voltage range, 1 f small decoupling capacitor, built-in noise bypa ss capacitor make the njm2831 suitable for various applications. features output voltage options available 2.1 15.5v (0.1v step) high ripple rejection 75db typ. (f=1khz vo=3v version) output noise voltage vno=45 vrms typ. output capacitor with 1.0 f ceramic capacitor (vo 5.1v) output current io(max.)=100ma high precision output vo 1.0% low dropout voltage 0.10v typ. (io=60ma) on/off control (active high) internal short circuit current limit internal thermal overload protection bipolar technology package outline sot-23-5 pin configuration equivalent circuit v out thermal protection bandgap reference v in control gnd njm2831f 1. contro l 2. gnd 3. nc 4. v out 5. v in njm2831 1 2 3 4 5
njm2831 - 2 - ver.2008-12-02 output voltage the white column shows applicable voltage rank(s) device name vout device name vout device name vout njm2831f-21 2.1v njm2831f-41 4.1v njm2831f-116 11.6v njm2831f-22 2.2v njm2831f-42 4.2v njm2831f-12 12.0v njm2831f-23 2.3v njm2831f-43 4.3v NJM2831F-125 12.5v njm2831f-24 2.4v njm2831f-44 4.4v njm2831f-13 13.0v njm2831f-25 2.5v njm2831f-45 4.5v njm2831f-135 13.5v njm2831f-26 2.6v njm2831f-46 4.6v njm2831f-15 15.0v njm2831f-27 2.7v njm2831f-47 4.7v njm2831f-155 15.5v njm2831f-28 2.8v njm2831f-48 4.8v njm2831f-29 2.9v njm2831f-49 4.9v njm2831f-03 3.0v njm2831f-05 5.0v njm2831f-31 3.1v njm2831f-53 5.3v njm2831f-32 3.2v njm2831f-06 6.0v njm2831f-33 3.3v njm2831f-64 6.4v njm2831f-34 3.4v njm2831f-07 7.0v njm2831f-35 3.5v njm2831f-08 8.0v njm2831f-36 3.6v njm2831f-82 8.2v njm2831f-37 3.7v njm2831f-85 8.5v njm2831f-38 3.8v njm2831f-09 9.0v njm2831f-39 3.9v njm2831f-92 9.2v njm2831f-04 4.0v njm2831f-10 10.0v
njm2831 - 3 - ver.2008-12-02 absolute maximum ratings (ta=25 c) (*1): when input voltage is less than +20v, the absolute maximum control voltage is equal to the input voltage. (*2): mounted on glass epoxy board based on ei a/jedec. (114.3x76.2x1.6mm: 2layers) (*3): device itself. electrical characteristics (v in = vo+1v, c in =0.1 f, co=1.0 f (2.8v12v version), io=30ma ? ? 0.10 %/v load regulation ? vo/ ? io io=0 60ma ? ? 0.03 %/ma dropout voltage(*4) ? v i ? o io=60ma ? 0.10 0.18 v ripple rejection rr ein=200mvrms,f=1khz,io=10ma, vo=3v version ? 75 ? db average temperature coefficient of output voltage ? vo/ ? ta ta = 0 85 c, io=10ma ? 50 ? ppm/ c output noise voltage v no f=10hz 80khz, io=10ma vo=3v version ? 45 ? vrms control current icont v cont =1.6v 3 12 a control voltage for on-state v cont(on) 1.6 ? ? v control voltage for off-state v cont(off) ? ? 0.6 v input voltage v in ? ? 18 v (*4): the above specification is a common specification for all output voltages. therefore, it may be different from the indivi dual specification for a specific output voltage. parameter symbol ratings unit input voltage v in +20 v control voltage v cont +20(*1) v 500(*2) power dissipation p d sot-23-5 250(*3) mw operating temperature topr -40 +85 c storage temperature tstg -40 +150 c
njm2831 - 4 - ver.2008-12-02 test circuit njm2831 v in v in v out control gnd 0.1 f i in i cont v cont i out v out v v a a (ceramic) 1.0 f *5 *5 2.8v njm2831 - 5 - ver.2008-12-02 2 in use of on/off control: njm2831 v in v out control gnd 0.1 f v out v in r 1.0 f *6 *6 2.8v njm2831 - 6 - ver.2008-12-02 power dissipation vs. ambient temperature njm2831f power dissipation (topr=-40 ? +85 ? ,tj=125 ? ,p d =200mw(ta ? 25 ? )) 0 100 200 300 400 500 -50 -25 0 25 50 75 100 ambient temperature ta( ? ) power dissi p atio n device itself on board(114.376.21.6mm, fr-4)
njm2831 - 7 - ver.2008-12-02 typical characteristics dc characteristics (3v version) 2.7 2.8 2.9 3 3.1 3.2 2.7 2.8 2.9 3 3.1 3.2 3.3 3.4 output voltage : vo(v) input voltage : v in (v) njm2831_3.0v output voltage vs. input voltage @:ta=25 o c co=2.2 f (ceramic) io=0a io=30ma io=100ma 0 0.5 1 1.5 2 2.5 3 3.5 4 0 50 100 150 200 output voltage : vo(v) njm2831_3.0v output voltage vs. output current @:ta=25 o c v in =4 .0v co=2.2 f (ceramic) output current : io(ma) 0 5 10 15 20 0 50 100 150 ground pin current : i gn d (ma) njm2831_3.0v ground pin current v.s. output current @:ta=25 o c v in =4.0v co=2.2 f( ceramic) output current : i o (ma) 0 0.05 0.1 0.15 0.2 0.25 0.3 0 50 100 150 output current:io(ma) @:ta=25 o c co=2.2 f (ceramic) dropout voltage:dv i-o (v) njm2831_3.0v dropout voltage vs. output current 0 10 20 30 40 50 60 01234 control current : i cont ( a) control voltage : v co nt (v) njm2831_3.0v control current vs. control voltage @:ta=25 o c v in =4.0v co=2.2 f(ceramic) io=30ma rc=0 ? rc=50k ? rc=100k ? 0 0.5 1 1.5 2 2.5 3 3.5 4 00.511.522.53 output voltage : vo(v) control voltage : v cont (v) njm2831_3.0v output voltage vs. control voltage @:ta=25 o c v in =4.0v co=2.2 f(ceramic) io=30ma rc=0 ? rc=50k ? rc=100k ?
njm2831 - 8 - ver.2008-12-02 typical characteristics dc characteristics (3v version) -80 -70 -60 -50 -40 -30 -20 -10 0 050100150 load regulation : dvo/dio(mv) output current : io(ma) njm2831_3.0v load regulation vs. output current @:ta=25 o c v in =4 .0v co=2.2 f(ceramic) 0 50 100 150 200 4 6 8 101214161820 peak output current : io max (ma) njm2831_3.0v peak output current vs. input voltage @:ta=25 o c co =2.2 f (ceramic) input voltage : v in (v) 0 500 1000 1500 2000 05101520 quiescent current : i q ( a) njm2831_3.0v quiescent current v.s. input voltage @:ta=25 o c output is open. co=2.2 f (ceramic) including icont input voltage : v in (v)
njm2831 - 9 - ver.2008-12-02 typical characteristics ac characteristics (3v version) 0 20 40 60 80 100 0.001 0.01 0.1 1 10 100 output current : io(a) output noise voltage : vn( vrms) njm2831_3.0v output noise voltage vs. output current @:ta=25 o c v in =4 .0v lpf:80khz 1 10 100 1m 10m 100m co=4.7 f co=2.2 f co=10 f 20 30 40 50 60 70 80 90 100 10 100 1000 10 4 10 5 ripple rejection ratio : rr (db) frequency : f (hz) njm2831_3.0v ripple rejection ratio v.s. frequency io=0ma io=10ma io=30ma @:ta=25 o c v in =4.0v ein=200mvrms co=2.2 f ( ceramic) 10 100 1k 10k 100k 20 30 40 50 60 70 80 90 100 0.001 0.01 0.1 1 10 100 output current : io(ma) ripple rejection : rr (db) njm2831_3.0v ripple rejection vs. output current f=1khz f=10khz @:ta=25 o c v in =4.0v ein=200mvrms co=2.2 f( ceramic) 0.01 0.1 1 10 100 output current : io(a) @:ta=25 o c co=2.2 f (ceramic) equivalent serise resistance : esr( ? ) njm2831_3.0v equivalent serise resistance vs. output current stable region 1 10 100 1m 10m 100m co=1 f
njm2831 - 10 - ver.2008-12-02 typical characteristics temperature characteristics (3v version) 0 0.05 0.1 0.15 0.2 0.25 0.3 -50 0 50 100 150 temperat ure : ta ( o c) @:io=60ma co=2.2 f (ceramic) njm2831_3.0v dropout voltage v.s. temperature dropout voltage:dv i-o (v) 0 0.5 1 1.5 2 2.5 3 -50 0 50 100 150 control voltage : v cont(on) (v) temperature : ta ( o c) njm2831_3.0v control voltage v.s. t em perature @:v in =4 v io =3 0ma co=2.2 f(ceramic) 0 1 2 3 4 5 6 -50 0 50 100 control current i cont ( a) temperature ta ( o c) njm2831_3.0v control current v.s. temperature @:v in =4v 2.9 2.95 3 3.05 3.1 -50 0 50 100 150 output voltage vo (v) temperature ta ( o c) njm2831_3.0v output voltage v.s. temperature @:v in =4v io=30ma co=2.2 f (ceramic) 0 50 100 150 200 250 -50 0 50 100 150 quiescent current : i q ( a) temperature : ta ( o c) njm2831_3.0v quiescent current v.s. temperature @:v in =4 v output is open. co=2.2 f(ceramic)
njm2831 - 11 - ver.2008-12-02 typical characteristics temperature characteristics (3v version) -0.1 -0.05 0 0.05 0.1 -50 0 50 100 150 line regulation : dvo/dio (%/v) temperature : ta ( o c) njm2831_3.0v line regulation v.s. temperature @:dv in =4-9v io=30ma co=2.2 f( ce rami c) 0 0.005 0.01 0.015 0.02 0.025 0.03 -50 0 50 100 150 load regulation : dvo/dio (%/ma) temperature : ta ( o c) njm2831_3.0v load regulation v.s. temperature @:v in =4v io=0-60ma co=2.2 f ( ceramic) 0 0.5 1 1.5 2 2.5 3 3.5 4 -50 0 50 100 150 200 output voltage vo (v) temperature ta ( o c) njm2831_3.0v output voltage v.s. temperature @:v in =4v io=30ma co=2.2 f (ceramic) 0 50 100 150 200 -50 0 50 100 150 short circuit current : i sc (ma) temperature : ta ( o c) njm2831_3.0v short circuit current v.s. temperature @:v in =4v output is short to ground. co=2.2 f(ceramic)
njm2831 - 12 - ver.2008-12-02 typical characteristics transient response (3v version) -1 0 1 2 3 4 5 6 7 -30 -25 -20 -15 -10 -5 0 5 10 012345 njm2831_3.0v on/off transient response without load output voltage : vo [v] contr ol v oltage : v o [v] time : t [s] control voltage output voltage @:ta=25 o c v dd =4.0v co =1.0 f( ce ramic) io=0ma -1 0 1 2 3 4 5 6 7 -30 -25 -20 -15 -10 -5 0 5 10 0 4 8 121620 njm2831_3.0v on/off transient response output voltage : vo [v] contr ol v oltage : v o [v] time : t [ms] control voltage output voltage @:ta=25 o c v dd =4.0v co =1.0 f(ceramic) io=30ma 2.92 2.94 2.96 2.98 3 3.02 3.04 3.06 3.08 -250 -200 -150 -100 -50 0 50 100 150 0 40 80 120 160 200 njm2831_3.0v load transient response output voltage : vo [v] time : t [ s] output current output voltage @:ta=25 o c v dd =4 .0v co=1 .0 f(ceramic) output curr ent : io [ma] 2.94 2.96 2.98 3 3.02 3.04 3.06 3.08 3.1 -2 -1 0 1 2 3 4 5 6 04080120160200 njm2831_3.0v line transient response output voltage : vo [v] time : t [ s] input voltage output voltage @:ta=25 o c v dd =4.0v co=1 .0 f(ceramic) io=30ma input voltage : v in [v]
njm2831 - 13 - ver.2008-12-02 typical characteristics dc characteristics (8.5v version) 8.2 8.25 8.3 8.35 8.4 8.45 8.5 8.55 8.6 8.2 8.3 8.4 8.5 8.6 8.7 8.8 8.9 output voltage : vo(v) input voltage : v in (v) njm2831_8.5v output voltage vs. input voltage @:ta=25 o c co=1 f (ceramic) io=0a io=30ma io=100ma 0 2 4 6 8 10 0 50 100 150 200 output voltage : vo(v) njm2831_8.5v output voltage vs. output current @:ta=25 o c v in =9.5v co=1 f (ceramic) output current : io(ma) 0 5 10 15 20 0 50 100 150 ground pin current : i gn d (ma) njm2831_8.5v ground pin current v.s. output current @:ta=25 o c v in =9.5v co=1 f( cera mic) output current : i o (ma) 0 0.05 0.1 0.15 0.2 0.25 0.3 0 50 100 150 output current:io(ma) @:ta=25 o c co=1 f (ceramic) dropout voltage:dv i-o (v) njm2831_8.5v dropout voltage vs. output current 0 10 20 30 40 50 60 0246810 control current : i cont ( a) control voltage : v co nt (v) njm2831_8.5v control current vs. control voltage @:ta=25 o c v in =9.5v co=1 f(ceramic) io=30ma rc=50k ? rc=100k ? rc=0 ? 0 2 4 6 8 10 00.511.522.53 output voltage : vo(v) control voltage : v cont (v) njm2831_8.5v output voltage vs. control voltage @:ta=25 o c v in =9.5v co=1 f(ceramic) io=30ma rc=0 ? rc=50k ? rc=100k ?
njm2831 - 14 - ver.2008-12-02 typical characteristics dc characteristics (8.5v version) -100 -80 -60 -40 -20 0 050100150 load regulation : dvo/dio(mv) output current : io(ma) njm2831_8.5v load regulation vs. output current @:ta=25 o c v in =9 .5v co=1 f(ceramic) 0 50 100 150 200 10 12 14 16 18 20 peak output current : io max (ma) njm2831_8.5v peak output current vs. input voltage @:ta=25 o c co=1 f (ceramic) input voltage : v in (v) 0 500 1000 1500 2000 05101520 quiescent current : i q ( a) njm2831_8.5v quiescent current v.s. input voltage @:ta=25 o c output is open. co=1 f (ceramic) including icont input voltage : v in (v)
njm2831 - 15 - ver.2008-12-02 typical characteristics ac characteristics (8.5v version) 0 50 100 150 200 0.001 0.01 0.1 1 10 100 output current : io(a) output noise voltage : vn( vrms) njm2831_8.5v output noise voltage vs. output current @:ta=25 o c v in =9 .5v lpf:80khz 1 10 100 1m 10m 100m co=0.47 f co=1.0 f 20 30 40 50 60 70 80 90 100 10 100 1000 10 4 10 5 ripple rejection ratio : rr (db) frequency : f (hz) njm2831_8.5v ripple rejection ratio v.s. frequency io=0ma io=10ma io=30ma @:ta=25 o c v in =8.5v ein=200mvrms co=1 f (ceramic) 10 100 1k 10k 100k 20 30 40 50 60 70 80 90 100 0.001 0.01 0.1 1 10 100 output current : io(ma) ripple rejection : rr (db) njm2831_8.5v ripple rejection vs. output current f=1khz f=10khz @:ta=25 o c v in =9 .5v ein=200mvrms co=1 f(ceramic) 0.1 1 10 100 output current : io(a) @:ta=25 o c co=1 f (ceramic) equivalent serise resistance : esr( ? ) njm2831_8.5v equivalent serise resistance vs. output current stable region 1 10 100 1m 10m 100m 0. 02 co=0.47 f
njm2831 - 16 - ver.2008-12-02 typical characteristics temperature characteristics (8.5v version) 0 0.05 0.1 0.15 0.2 0.25 0.3 -50 0 50 100 150 temperat ure : ta ( o c) @:io=60ma co=1 f (ceramic) njm2831_8.5v dropout voltage v.s. temperature dropout voltage:dv i-o (v) 0 0.5 1 1.5 2 2.5 3 -50 0 50 100 150 control voltage : v cont(on) (v) temperature : ta ( o c) njm2831_8.5v control voltage v.s. t em perature @:v in =9.5v io=30ma co=1 f(ceramic) 8 8.25 8.5 8.75 9 -50 0 50 100 150 output voltage vo (v) temperature ta ( o c) njm2831_8.5v output voltage v.s. temperature @:v in =9 .5v io=30ma co=1 f (ceramic) 0 50 100 150 200 250 -50 0 50 100 150 quiescent current : i q ( a) temperature : ta ( o c) njm2831_8.5v quiescent current v.s. temperature @:v in =9 .5v output is open. co=1 f(ceramic) -0.1 -0.05 0 0.05 0.1 -50 0 50 100 150 line regulation : dvo/dio (%/v) temperature : ta ( o c) njm2831_8.5v line regulation v.s. temperature @:dv in =9.5-14.5v io=30ma co=1 f(ce ramic) 0 0.005 0.01 0.015 0.02 0.025 0.03 -50 0 50 100 150 load regulation : dvo/dio (%/ma) temperature : ta ( o c) njm2831_8.5v load regulation v.s. temperature @:v in =9.5v io=0-60ma co=1 f (ceramic)
njm2831 - 17 - ver.2008-12-02 typical characteristics temperature characteristics (8.5v version) 0 2 4 6 8 10 -50 0 50 100 150 200 output voltage vo (v) temperature ta ( o c) njm2831_8.5v output voltage v.s. temperature @:v in =9.5v io=30ma co=1 f (ceramic) 0 50 100 150 200 -50 0 50 100 150 short circuit current : i sc (ma) temperature : ta ( o c) njm2831_8.5v short circuit current v.s. temperature @:v in =9 .5v output is short to ground. co=1 f(ceramic) transient response (8.5v version) 0 2 4 6 8 10 12 14 16 -60 -50 -40 -30 -20 -10 0 10 20 012345 njm2831_8.5v on/off transient response without load output voltage : vo [v] contr ol v oltage : v o [v] time : t [s] control voltage output voltage @:ta=25 o c v dd =9.5v co =1.0 f( ce ramic) io=0ma 0 2 4 6 8 10 12 14 16 -60 -50 -40 -30 -20 -10 0 10 20 0 4 8 121620 njm2831_8.5v on/off transient response output voltage : vo [v] contr ol v oltage : v o [v] time : t [ms] co ntrol voltage output voltage @:ta=25 o c v dd =9.5v co =1.0 f(ceramic) io=30ma 8.42 8.44 8.46 8.48 8.5 8.52 8.54 8.56 8.58 -250 -200 -150 -100 -50 0 50 100 150 0 40 80 120 160 200 njm2831_8.5v load transient response output voltage : vo [v] time : t [ s] output current output voltage @:ta=25 o c v dd =9 .5v co=1 .0 f(ceramic) output curr ent : io [ma] 8.44 8.46 8.48 8.5 8.52 8.54 8.56 8.58 8.6 4 5 6 7 8 9 10 11 04080120160200 njm2831_8.5v line transient response output voltage : vo [v] time : t [ s] input voltage output voltage @:ta=25 o c v dd =9.5v co=1 .0 f(ceramic) io=30ma input voltage : v in [v]
njm2831 - 18 - ver.2008-12-02 typical characteristics dc characteristics (15v version) 14.7 14.75 14.8 14.85 14.9 14.95 15 15.05 15.1 14.7 14.8 14.9 15 15.1 15.2 15.3 15.4 output voltage : vo(v) input voltage : v in (v) njm2831_15v output voltage vs. input voltage @:ta=25 o c co=1 f (ceramic) io=0a io=30ma io=100ma 0 5 10 15 20 0 50 100 150 200 output voltage : vo(v) njm2831_15v output voltage vs. output current @:ta=25 o c v in =16v co=1 f (ceramic) output current : io(ma) 0 5 10 15 20 0 50 100 150 ground pin current : i gn d (ma) njm2831_15v ground pin current v.s. output current @:ta=25 o c v in =16.0v co=1 f( cera mic) output current : i o (ma) 0 0.05 0.1 0.15 0.2 0.25 0.3 0 50 100 150 output current:io(ma) @:ta=25 o c co=1 f (ceramic) dropout voltage:dv i-o (v) njm2831_15v dropout voltage vs. output current 0 10 20 30 40 50 60 0246810121416 control current : i cont ( a) control voltage : v co nt (v) njm2831_15v control current vs. control voltage @:ta=25 o c v in =16v co=1 f(ceramic) io=30ma rc =50k ? rc=100k ? rc=0 ? 0 2 4 6 8 10 12 14 16 00.511.522.53 output voltage : vo(v) control voltage : v co nt (v) njm2831_15v output voltage vs. control voltage @:ta=25 o c v in =16v co=1 f(ceramic) io=30ma rc=0 ? rc=50k ? rc=100k ?
njm2831 - 19 - ver.2008-12-02 typical characteristics dc characteristics (15v version) -150 -125 -100 -75 -50 -25 0 050100150 load regulation : dvo/dio(mv) output current : io(ma) njm2831_15v load regulation vs. output current @:ta=25 o c v in =16.0v co=1 f(ceramic) 0 50 100 150 200 15 16 17 18 19 20 peak output current : io max (ma) njm2831_15v peak output current vs. input voltage @:ta=25 o c co=1 f (ceramic) input voltage : v in (v) 0 500 1000 1500 2000 05101520 quiescent current : i q ( a) njm2831_15.0v quiescent current v.s. input voltage @:ta=25 o c output is open. co=1 f (ceramic) including icont input voltage : v in (v)
njm2831 - 20 - ver.2008-12-02 typical characteristics ac characteristics (15v version) 0 50 100 150 200 0.001 0.01 0.1 1 10 100 output current : io(a) output noise voltage : vn( vrms) njm2831_15v output noise voltage vs. output current @:ta=25 o c v in =1 6v lpf:80khz 1 10 100 1m 10m 100m co=0.47 f co=1 f 20 30 40 50 60 70 80 90 100 10 100 1000 10 4 10 5 ripple rejection ratio : rr (db) frequency : f (hz) njm2831_15v ripple rejection ratio v.s. frequency io=0ma io=10ma io=30ma @:ta=25 o c v in =15v ein=200mvrms co=1 f (ceramic) 10 100 1k 10k 100k 20 30 40 50 60 70 80 90 100 0.001 0.01 0.1 1 10 100 output current : io(ma) ripple rejection : rr (db) njm2831_15v ripple rejection vs. output current f=1khz f=10khz @:ta=25 o c v in =1 6v ein=200mvrms co=1 f(ceramic) 0.1 1 10 100 output current : io(a) @:ta=25 o c co=1 f (ceramic) equivalent serise resistance : esr( ? ) njm2831_15v equivalent serise resistance vs. output current stable region 1 10 100 1m 10m 100m co=0.47 f
njm2831 - 21 - ver.2008-12-02 typical characteristics temperature characteristics (15v version) 0 0.05 0.1 0.15 0.2 0.25 0.3 -50 0 50 100 150 temperat ure : ta ( o c) @:io=60ma co=1.0 f (ceramic) njm2831_15v dropout voltage v.s. temperature dropout voltage:dv i-o (v) 0 0.5 1 1.5 2 2.5 3 -50 0 50 100 150 control voltage : v cont(on) (v) temperature : ta ( o c) njm2831_15v control voltage v.s. t em perature @:v in =16v io=30ma co=1.0 f(ceramic) 14.5 14.75 15 15.25 15.5 -50 0 50 100 150 output voltage vo (v) temperature ta ( o c) njm2831_15v output voltage v.s. temperature @:v in =16v io=30ma co=1.0 f (ceramic) 0 50 100 150 200 250 -50 0 50 100 150 quiescent current : i q ( a) temperature : ta ( o c) njm2831_15v quiescent current v.s. temperature @:v in =16v output is open. co=1.0 f(ceramic) -0.1 -0.05 0 0.05 0.1 -50 0 50 100 150 line regulation : dvo/dio (%/v) temperature : ta ( o c) njm2831_15v line regulation v.s. temperature @:dv in =16-18v io=30ma co=1.0 f( ce rami c) 0 0.005 0.01 0.015 0.02 0.025 0.03 -50 0 50 100 150 load regulation : dvo/dio (%/ma) temperature : ta ( o c) njm2831_15v load regulation v.s. temperature @:v in =16v io=0-60ma co=1.0 f ( ceramic)
njm2831 - 22 - ver.2008-12-02 typical characteristics temperature characteristics (15v version) 0 2 4 6 8 10 12 14 16 -50 0 50 100 150 200 output voltage vo (v) temperature ta ( o c) njm2831_15v output voltage v.s. temperature @:v in =16v io=30ma co=1.0 f (ceramic) 0 50 100 150 200 -50 0 50 100 150 short circuit current : i sc (ma) temperature : ta ( o c) njm2831_15v short circuit current v.s. temperature @:v in =1 6v output is short to ground. co=1.0 f(ceramic) transient response (15v version) 0 5 10 15 20 25 30 35 40 -60 -50 -40 -30 -20 -10 0 10 20 012345 njm 2831_15.0v on/off transient response without load output voltage : vo [v] contr ol v oltage : v o [v] time : t [s] co ntrol voltage output voltage @:ta=25 o c v dd =16.0v co =1.0 f( ce ramic) io=0ma 0 5 10 15 20 25 30 35 40 -50 -40 -30 -20 -10 0 10 20 30 04 8121620 njm2831_15.0v on/off transient response output voltage : vo [v] control voltage : v o [v] time : t [ms] co ntrol vo ltage output voltage @:ta=25 o c v dd =16.0v co=1.0 f(ce rami c) io=30ma 14.92 14.94 14.96 14.98 15 15.02 15.04 15.06 15.08 -250 -200 -150 -100 -50 0 50 100 150 0 40 80 120 160 200 njm2831_15.0v load transient response output voltage : vo [v] time : t [ s] output current output voltage @:ta=25 o c v dd =1 6. 0v co=1 .0 f(ceramic) output current : io [ma] 14.94 14.96 14.98 15 15.02 15.04 15.06 15.08 15.1 10 11 12 13 14 15 16 17 18 0 40 80 120 160 200 njm2831_15.0v line transient response ou tput vo lta ge : vo [v ] time : t [ s] input voltage output voltage @:ta=25 o c v dd =16.0v co =1 .0 f(ceramic) io=30ma input voltage : v in [v]
njm2831 - 23 - ver.2008-12-02 [caution] the specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. the application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights.

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