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njm2835 low dropout voltage regulator ? general description ? package outline the njm2835 is a 500ma output low dropout voltage regulator. advanced bipolar technology achieves low noise, high ripple rejection and high supply voltage. 2.1v to 15.5v output voltage range, 2.2 f small decoupling capacitor, built-in noise bypass capacitor make the njm2835 suitable for various applications. ? features z output voltage options available 2.1 15.5v z high ripple rejection 75db ty p. (f=1khz,vo=3v version) z output noise voltage vno=45 vrms typ. z output capacitor with 2.2 f ceramic capacitor (vo 5.1v) z output current io(max.)=500ma z high precision output vo 1.0% z low dropout voltage 0.18v typ. (io=300ma) z internal thermal overload protection z internal over current protection z bipolar technology z package outline to-252-3 ? pin configuration ? equivalent circuit v out gnd v in bandgap referenc e thermal protection pin function 1.v in 2.gnd 3.v out njm2835dl1 3 1 2 njm2835dl1
njm2835 ? output voltage rank list the white column shows applicable voltage rank(s) device name vout device name vout device name vout njm2835dl1-15 1.5v njm2835dl1-35 3.5v njm2835dl1-12 12.0v njm2835dl1-16 1.6v njm2835dl1-36 3.6v njm2835dl1-15 15.0v njm2835dl1-17 1.7v njm2835dl1-37 3.7v njm2835dl1-18 1.8v njm2835dl1-38 3.8v njm2835dl1-19 1.9v njm2835dl1-39 3.9v njm2835dl1-02 2.0v njm2835dl1-04 4.0v njm2835dl1-21 2.1v njm2835dl1-41 4.1v njm2835dl1-22 2.2v njm2835dl1-42 4.2v njm2835dl1-23 2.3v njm2835dl1-43 4.3v njm2835dl1-24 2.4v njm2835dl1-44 4.4v njm2835dl1-25 2.5v njm2835dl1-45 4.5v njm2835dl1-26 2.6v njm2835dl1-46 4.6v njm2835dl1-27 2.7v njm2835dl1-47 4.7v njm2835dl1-28 2.8v njm2835dl1-48 4.8v njm2835dl1-29 2.9v njm2835dl1-49 4.9v NJM2835DL1-03 3.0v njm2835dl1-05 5.0v njm2835dl1-31 3.1v njm2835dl1-08 8.0v njm2835dl1-32 3.2v njm2835dl1-85 8.5v njm2835dl1-33 3.3v njm2835dl1-09 9.0v njm2835dl1-34 3.4v njm2835dl1-10 10.0v
njm2835 ? absolute maximum ratings (ta=25 c) parameter symbol ratings unit input voltage v in +20 v power dissipation p d 10(tc 25 c) 1(ta 25 c) w operating temperature topr -40 +85 c storage temperature tstg -40 +150 c ? electrical characteristics (v in= vo+1v, c in =0.33 f, co=2.2 f (2.9v12v), io=30ma - - 0.10 %/v load regulation ? vo/ ? io io=0 500ma - - 0.007 %/ma dropout voltage(*1) ? v i-o io=300ma - 0.18 0.28 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 input voltage v in - - 18 v (*1): the above specificati on is a common specificati on for all output voltages. therefore, it may be different fr om the individual s pecification for a spec ific output voltage.
njm2835 ? test circuit njm2835 v in v in v out gnd 0.33 f i in i out v out v a 2.2 f*2 (ceramic) *2 2.9 njm2835 ? 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) njm2835_3.0v output voltage vs. input voltage @:ta=25 o c co=4.7 f (ceramic) io=0a io=100ma io=300ma 0 0.5 1 1.5 2 2.5 3 3.5 4 0 200 400 600 800 1000 output voltage : vo(v) njm2835_3.0v output voltage vs. output current @:ta=25 o c v in =4 .0v co=4.7 f (ceramic) output current : io(ma) 0 5 10 15 20 25 30 0 100 200 300 400 500 600 700 ground pin current : i gnd (ma) njm2835_3.0v ground pin current v.s. output current @:ta =25 o c v in =4.0v co=4.7 f( ceramic) output current : i o (ma) 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0 100 200 300 400 500 600 700 output current: io(m a) @:ta=25 o c co =4 .7 f (ceramic) dropout voltage:dv i-o (v) njm2835_3.0v dropout voltage vs. output current -80 -70 -60 -50 -40 -30 -20 -10 0 0 100 200 300 400 500 600 700 load regulation : dvo/dio(mv) output current : io(ma) njm2835_3.0v load regulation vs. output current @:ta=25 o c v in =4.0v co=4.7 f(ce ramic) 0 150 300 450 600 750 900 1050 1200 1350 1500 4 6 8 10 12 14 16 18 peak output current : io max (ma) njm2835_3.0v peak output current vs. input voltage @:ta=25 o c co=4.7 f (ceramic) input voltage : v in (v)
njm2835 ? typical characteristics dc characteristics (3v version) 0 500 1000 1500 2000 0481216 quiescent current : i q (ua) njm2835_3.0v quiescent current v.s. input voltage @:ta=25 o c output is open. co=4.7 f (ceramic) input voltage : v in (v) ac characteristics (3v version) 0 20 40 60 80 100 0.001 0.01 0.1 1 10 100 1000 output current : io(ma) output noise voltage : vn(uvrms) njm2835_3.0v output noise voltage vs. output current @:ta=25 o c v in =4.0v lpf:80khz co=4.7 f( ce ra mic) 20 30 40 50 60 70 80 90 100 10 100 1000 10 4 10 5 ripple rejection ratio : rr (db) frequency : f (hz) njm2835_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=4.7 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 1000 output current : io(ma) ripple rejection : rr (db) njm2835_3.0v ripple rejection vs. output current f=1khz f=10khz @:ta=25 o c v in =4 .0v ein=200mvrms co=4.7 f(ceramic) 0.1 1 10 100 output current : io(a) @:ta=25 o c v in =4 v co=4.7 f (ceramic) equivalent serise resistance : esr( ?) njm2835_3.0v equivalent serise resistance vs. output current stable region 1u 10u 100u 1m 10m 100m 700m 0.02
njm2835 ? typical characteristics temperature characteristics (3v version) 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 -50 0 50 100 150 temperature : ta ( o c) @:io=300ma co=4.7 f (ceramic) njm2835_3.0v dropout voltage v.s. temperature dropout voltage:dv i-o (v) 2.9 2.95 3 3.05 3.1 -50 0 50 100 150 output voltage vo (v) temperature ta ( o c) njm2835_3.0v output voltage v.s. tem perature @:v in =4v io=30ma co =4 .7 f (ceramic) 0 50 100 150 200 250 -50 0 50 100 150 quiescent current : i q (ua) temperature : ta ( o c) njm2835_3.0v quiescent current v.s. temperature @:v in =4 v output is open. co =4 .7 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) njm2835_3.0v line regulation v.s. temperature @:dv in =4 -9v io=30ma co=4.7 f(ceramic) 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) njm2835_3.0v load regulation v.s. temperature @:v in =4 v io=0-500ma co=4.7 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) njm2835_3.0v output voltage v.s. tem perature @:v in =4v io=30ma co =4.7 f (ceramic)
njm2835 ? typical characteristics temperature characteristics (3v version) 0 50 100 150 200 250 300 350 400 -50 0 50 100 150 short circuit current : i sc (ma) temperature : ta ( o c) njm2835_3.0v short circuit current v.s. temperature @:v in =4 v output is short to ground. co =4 .7 f(ceramic) ? typical characteristics transient response (3v version) 2. 92 2. 94 2. 96 2. 98 3 3. 02 3. 04 3. 06 3. 08 -200 -100 0 100 200 300 400 500 600 04080120160200 njm2835_3.0v load transient response output voltage : vo [v] output current : io [ma] time : t [ s] output current output voltage @:ta=25 o c v in =4v co=4.7 f(ceramic) 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 0 40 80 120 160 200 njm2835_3.0v line transient response output vo lt ag e : vo [ v] input voltage: v in [v] time : t [ s ] input voltage output voltage @:ta=25 o c co=4.7 mf(ceramic) io=30ma
njm2835 ? 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) njm2835_8.5v output voltage vs. input voltage @:ta=25 o c co =2 .2 f (ceramic) io=0a io=100ma io=300ma 0 5 10 15 20 25 30 0 100 200 300 400 500 600 700 ground pin current : i gnd (ma) njm2835_8.5v ground pin current v.s. output current @:ta =25 o c v in =9.5v co=2.2 f( ceramic) output current : i o (ma) 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0 100 200 300 400 500 600 700 output current: io(m a) @:ta=25 o c co =2 .2 f (ceramic) dropout voltage:dv i-o (v) njm2835_8.5v dropout voltage vs. output current -150 -120 -90 -60 -30 0 0 100 200 300 400 500 600 700 load regulation : dvo/dio(mv) output current : io(ma) njm2830_8.5v load regulation vs. output current @:ta=25 o c v in =9 .5v co=2.2 f(ceramic) 0 150 300 450 600 750 900 1050 1200 1350 1500 8 1012141618 peak output current : io max (ma) njm2835_8.5v peak output current vs. input voltage @:ta=25 o c co=2.2 f (ceramic) input voltage : v in (v) 0 2 4 6 8 10 0 200 400 600 800 1000 output voltage : vo(v) njm2835_8.5v output voltage vs. output current @:ta=25 o c v in =9 .5v co =2 .2 f (ceramic) output current : io(ma)
njm2835 ? typical characteristics dc characteristics (8.5v version) 0 500 1000 1500 2000 0481216 quiescent current : i q (ua) njm2835_8.5v quiescent current v.s. input voltage @:ta=25 o c output is open. co=2.2 f (ceramic) input voltage : v in (v) ac characteristics (8.5v version) 0 50 100 150 200 0.001 0.01 0.1 1 10 100 1000 output current : io(ma) output noise voltage : vn(uvrms) njm2835_8.5v output noise voltage vs. output current @:ta=25 o c v in =9 .5v lpf:80khz co =2 .2 f(ceramic) 20 30 40 50 60 70 80 90 100 10 100 1000 10 4 10 5 ripple rejection ratio : rr (db) frequency : f (hz) njm2835_8.5v ripple rejection ratio v.s. frequency io=0ma io=10ma io=30ma @:ta=25 o c v in =9 .5v 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 1000 output current : io(ma) ripple rejection : rr (db) njm2835_8.5v ripple rejection vs. output current f=1khz f=10khz @:ta=25 o c v in =9 .5v ein=200mvrms co =2 .2 f(ceramic) 0.1 1 10 100 output current : io(a) @:ta=25 o c v in =9 .5v co=2.2 f (ceramic) equivalent serise resistance : esr( ? ) njm2835_8.5v equivalent serise resistance vs. output current stable region 1u 10u 100u 1m 10m 100m 700m
njm2835 ? typical characteristics temperature characteristics (8.5v version) 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 -50 0 50 100 150 temperature : ta ( o c) @:io=300ma co=2.2 f (ceramic) njm2835_8.5v dropout voltage v.s. temperature dropout voltage:dv i-o (v) 8.3 8.4 8.5 8.6 8.7 -50 0 50 100 150 output voltage vo (v) temperature ta ( o c) njm2835_8.5v output voltage v.s. tem perature @:v in =9.5v io=30ma co =2 .2 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) njm2835_8.5v line regulation v.s. temperature @:dv in =9.5-14.5v io=30ma co=2.2 f(ceramic) 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) njm2835_8.5v load regulation v.s. temperature @:v in =9 .5v io=0-500ma co=2.2 f (ceramic) 0 2 4 6 8 10 -50 0 50 100 150 200 output voltage vo (v) temperature ta ( o c) njm2835_8.5v output voltage v.s. tem perature @:v in =9.5v io=30ma co =2.2 f (ceramic) 0 50 100 150 200 250 300 350 400 -50 0 50 100 150 short circuit current : i sc (ma) temperature : ta ( o c) njm2830_8.5v short circuit current v.s. temperature @:v in =9 .5v output is short to ground. co=2.2 f( ceramic)
njm2835 ? typical characteristics transient response (8.5v version) 8.42 8.44 8.46 8.48 8.5 8.52 8.54 8.56 8.58 -200 -100 0 100 200 300 400 500 600 0 40 80 120 160 200 njm2835_8.5v load transient response output voltage : vo [v] output current : io [ma] time : t [ s] output current output voltage @:ta=25 o c v in =9.5v co=4.7 f(ceramic) 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 njm2835_8.5v line transient response output voltage : vo [v] input voltage : v in [v ] ti me : t [ s] input voltage output voltage @:ta=25 o c co=4.7 f(ceramic) io=30ma
njm2835 ? 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) njm2835_15v output voltage vs. input voltage @:ta=25 o c co =2.2 f (ceramic) io=0a io=100ma io=300ma 0 5 10 15 20 0 200 400 600 800 1000 output voltage : vo(v) njm2835_15v output voltage vs. output current @:ta=25 o c v in =16v co=2.2 f (ceramic) output current : io(ma) 0 5 10 15 20 25 30 0 100 200 300 400 500 600 700 ground pin current : i gnd (ma) njm2835_15v ground pin current v.s. output current @:ta=25 o c v in =16.0v co=2.2 f(ceramic) output current : i o (ma) 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0 100 200 300 400 500 600 700 output current: io(m a) @:ta=25 o c co =2 .2 f (ceramic) dropout voltage:dv i-o (v) njm2835_15v dropout voltage vs. output current -150 -120 -90 -60 -30 0 0 100 200 300 400 500 600 700 load regulation : dvo/dio(mv) output current : io(ma) njm2835_15v load regulation vs. output current @:ta=25 o c v in =16.0v co=2.2 f(ceramic) 600 700 800 900 1000 1100 1200 1300 1400 1500 15 15.5 16 16.5 17 17.5 18 peak output current : io max (ma) njm2835_15v peak output current vs. input voltage @:ta=25 o c co=2.2 f (ceramic) input voltage : v in (v)
njm2835 ? typical characteristics dc characteristics (15v version) 0 500 1000 1500 2000 0481216 quiescent current : i q (ua) njm2835_15.0v quiescent current v.s. input voltage @:ta=25 o c output is open. co=2.2 f (ceramic) input voltage : v in (v) ac characteristics (15v version) 0 50 100 150 200 0.001 0.01 0.1 1 10 100 1000 output current : io(ma) output noise voltage : vn(uvrms) njm2835_15v output noise voltage vs. output current @:ta=25 o c v in =1 6v lpf:80khz co=2.2 f( cera mic) 20 30 40 50 60 70 80 90 100 10 100 1000 10 4 10 5 ripple rejection ratio : rr (db) frequency : f (hz) njm2835_15v ripple rejection ratio v.s. frequency io=0ma io=10ma io=30ma @:ta=25 o c v in =1 6v 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 1000 output current : io(ma) ripple rejection : rr (db) njm2835_15v ripple rejection vs. output current f=1khz f=10khz @:ta=25 o c v in =1 6v ein=200mvrms co =2 .2 f(ceramic) 0.1 1 10 100 output current : io(a) @:ta=25 o c co=2.2 f (ceramic) v in =1 6v equivalent serise resistance : esr( ? ) njm2835_15v equivalent serise resistance vs. output current stable region 1u 10u 100u 1m 10m 100m 700m
njm2835 ? typical characteristics temperature characteristics (15v version) 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 -50 0 50 100 150 temperature : ta ( o c) @:io=300ma co=2.2 f (ceramic) njm2835_15v dropout voltage v.s. temperature dropout voltage:dv i-o (v) 14.5 14.75 15 15.25 15.5 -50 0 50 100 150 output voltage vo (v) temperature ta ( o c) njm2835_15v output voltage v.s. tem perature @:v in =1 6v io=30ma co=2.2 f (ceramic) 0 50 100 150 200 250 -50 0 50 100 150 quiescent current : i q (ua) temperature : ta ( o c) njm2835_15v quiescent current v.s. temperature @:v in =16v output is open. co=2.2 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) njm2835_15v line regulation v.s. temperature @:dv in =16-18v io=30ma co=2.2 f(ceramic) 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) njm2835_15v load regulation v.s. temperature @:v in =1 6v io=0-500ma co=2.2 f (ceramic) 0 2 4 6 8 10 12 14 16 -50 0 50 100 150 200 output voltage vo (v) temperature ta ( o c) njm2835_15v output voltage v.s. tem perature @:v in =16v io=30ma co =2.2 f (ceramic)
njm2835 ? typical characteristics temperature characteristics (15v version) 0 50 100 150 200 250 300 350 400 -50 0 50 100 150 short circuit current : i sc (ma) temperature : ta ( o c) njm2835_15v short circuit current v.s. temperature @:v in =1 6v output is short to ground. co=2.2 f( ceramic) ? typical characteristics transient response (15v version) 14.92 14.94 14.96 14.98 15 15.02 15.04 15.06 15.08 -200 -100 0 100 200 300 400 500 600 0 40 80 120 160 200 njm2835_15.0v load transient response output voltage : vo [v] output current : io [ma] time : t [ s] output current output voltage @:ta=25 o c v in =16v co=4.7 f(ceramic) 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 04080120160200 njm2835_15v line transient response output voltage : vo [v] input voltage : vin [v] ti me : t [ s] input voltage output voltage @:ta=25 o c co=4.7 f(ceramic) io=30ma [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

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