NJM2874/75/76 low dropout voltage regulator general description package outline NJM2874/75/76 is a low dropout voltage regulator designed for cellular phone application. advanced bipolar technology achieves low noise, high ripple rejection and low quiescent current. features 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 2.7v) output current io(max.)=150ma high precision output vo 1% 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 output voltage rank list device name v out njm287 f21 2.1v njm287 f28 2.8v njm287 f03 3.0v njm287 f33 3.3v njm287 f05 5.0v NJM2874f/75f/76f pin function 1.control 1.v in 1.v out 2.gnd 2.gnd 2.gnd 3.nc 3.control 3.v in 4.v out 4.nc 4.control 5.v in 5.v out 5.nc 123 4 5 123 4 5 NJM2874f njm2875f njm2876f
NJM2874/75/76 absolute maximum ratings (ta=25 c) parameter symbol ratings unit input voltage v in +14 v control voltage v cont +14(*1) v 350(*2) power dissipation p d sot-23-5 200(*3) mw operating temperature topr -40 +85 c storage temperature tstg -40 +125 c (*1): when input voltage is less than +14v, the absolute maximum control voltage is equal to the input voltage. (*2) : mounted on glass epoxy board. (114.3x76.2x1.6mm: 2layer, fr-4) (*3) : device itself electrical characteristics (v in =vo+1v, c in =0.1 f, co=1.0 f: vo 2.7v (co=2.2 f: vo 2.6v), ta=25 c) parameter symbol test condition min. typ. max. unit output voltage vo io=30ma -1.0% ? +1.0% v quiescent current i q io=0ma, expect icont ? 120 180 a quiescent current at control off i q(off) v cont =0v ? ? 100 na output current io vo-0.3v 150 200 - ma line regulation ? vo/ ? v in v in =vo+1v vo+6v, io=30ma ? ? 0.10 %/v load regulation ? vo/ ? io io=0 100ma ? ? 0.03 %/ma dropout voltage ? 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 voltage for on-state v cont(on) 1.6 ? ? v control voltage for off-state v cont(off) ? ? 0.6 v the above specification is a common specification for all output voltages. therefore, it may be different from the individual specification for a specific output voltage. test circuit njm287* 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 1.0 f *4 (ceramic) *4 vo 2.6v version: co=2.2
NJM2874/75/76 typical application 1 in case that on/off control is not required: njm287* v in v out control gnd 0.1 f v out v in (0 300k ? ) 1.0 f *5 r connect control terminal to v in terminal the quiescent current can be reduced by using a resistance ?r?. instead, it increases the minimum operating voltage. for further information, please refer to figure ?output voltage vs. control voltage?. 2 in use of on/off control: njm287* v in v out control gnd 0.1 f v out v in 1.0 f *5 r state of control terminal: ? ?h? output is enabled. ? ?l? or ?open? output is disabled. *5 vo 2.6v version: co=2.2 2.6v version: co=2.2
NJM2874/75/76 power dissipation vs. ambient temperature NJM2874/75/76f power dissipation (topr=-40 +85 ,tj=125 ,p d =200mw(ta Q 25 )) 0 100 200 300 400 500 -50 -25 0 25 50 75 100 ambient temperature ta( ) p ower di ss i pat i on p d ( m w) device itself on board(114.376.21.6mm, fr-4)
NJM2874/75/76 electrical characteristics 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 output voltage : vo output voltage : vo output voltage : vo (v (v (v (v ) ) ) ) input voltage : v input voltage : v input voltage : v input voltage : v in in in in (v) (v) (v) (v) njm287*_3.0v njm287*_3.0v njm287*_3.0v njm287*_3.0v output voltage vs. input voltage output voltage vs. input voltage output voltage vs. input voltage output voltage vs. input voltage @:ta=25 o c co=1 f (ceramic) io=0a io=30ma io=100ma 0 0.5 1 1.5 2 2.5 3 3.5 4 0 50 100 150 200 250 300 output voltage : vo output voltage : vo output voltage : vo output voltage : vo (v (v (v (v ) ) ) ) njm287*_3.0v njm287*_3.0v njm287*_3.0v njm287*_3.0v output voltage vs. output current output voltage vs. output current output voltage vs. output current output voltage vs. output current @:ta=25 o c v in =4 v co=1 f (ceramic) output current : io(ma) output current : io(ma) output current : io(ma) output current : io(ma) 0 5 10 15 20 0 50 100 150 200 ground pin current : i ground pin current : i ground pin current : i ground pin current : i gnd gnd gnd gnd (ma) (ma) (ma) (ma) njm287*_3.0v njm287*_3.0v njm287*_3.0v njm287*_3.0v ground pin current v.s. output current ground pin current v.s. output current ground pin current v.s. output current ground pin current v.s. output current @:ta=25 6 c v in =4.0v co=1.0 f (ceramic) output current : i output current : i output current : i output current : i o o o o (ma) (ma) (ma) (ma) 0 0.05 0.1 0.15 0.2 0.25 0.3 0 50 100 150 200 output current:io(ma) output current:io(ma) output current:io(ma) output current:io(ma) @:ta=25 o c co=1.0 f (ceramic) dropout voltage:dv dropout voltage:dv dropout voltage:dv dropout voltage:dv i-o i-o i-o i-o ( ( ( ( v) v) v) v) njm287*_3. 0v njm287*_3. 0v njm287*_3. 0v njm287*_3. 0v dropout voltage vs. output current dropout voltage vs. output current dropout voltage vs. output current dropout voltage vs. output current 0 5 10 15 20 25 30 0 0.5 1 1.5 2 2.5 3 3.5 4 control current : icont( control current : icont( control current : icont( control current : icont( a) a) a) a) control voltage : vcont(v) control voltage : vcont(v) control voltage : vcont(v) control voltage : vcont(v) njm287*_3.0v njm287*_3.0v njm287*_3.0v njm287*_3.0v control current vs. control voltage control current vs. control voltage control current vs. control voltage control current vs. control voltage @:t a=2 5 o c v in =4.0v co=1.0 f (ceramic) io=30ma rc =0 ? rc=100k ? rc=50k ? 0 0.5 1 1.5 2 2.5 3 3.5 4 0 0.5 1 1.5 2 2.5 3 rc=0 ? output voltage : vo(v) output voltage : vo(v) output voltage : vo(v) output voltage : vo(v) control voltage : vcont(v) control voltage : vcont(v) control voltage : vcont(v) control voltage : vcont(v) njm287*_3.0v njm287*_3.0v njm287*_3.0v njm287*_3.0v output voltage vs. control voltage output voltage vs. control voltage output voltage vs. control voltage output voltage vs. control voltage @: ta=2 5 o c v in =4.0v co=1.0 f (ceramic) io=30ma rc=100k ? rc=5 0k ?
NJM2874/75/76 electrical characteristics -50 -40 -30 -20 -10 0 0 50 100 150 200 load regulation : dvo/dio load regulation : dvo/dio load regulation : dvo/dio load regulation : dvo/dio (m (m (m (m v) v) v) v) output current : io(ma) output current : io(ma) output current : io(ma) output current : io(ma) njm287*_3.0v njm287*_3.0v njm287*_3.0v njm287*_3.0v load regulati on v s. ou tp ut curr en t load regulati on v s. ou tp ut curr en t load regulati on v s. ou tp ut curr en t load regulati on v s. ou tp ut curr en t @: ta=2 5 o c v in =4.0v co=1.0 f (ceramic) 0 50 100 150 200 250 300 4 6 8 101214 peak output current : io peak output current : io peak output current : io peak output current : io ma x ma x ma x ma x (ma) (ma) (ma) (ma) njm287*_3.0v njm287*_3.0v njm287*_3.0v njm287*_3.0v peak output current vs. input voltage peak output current vs. input voltage peak output current vs. input voltage peak output current vs. input voltage @: ta=2 5 o c co=1 f (ceramic) input voltage : v input voltage : v input voltage : v input voltage : v in in in in (v) (v) (v) (v) 0 500 1000 1500 2000 0 5 10 15 quiescent current : i quiescent current : i quiescent current : i quiescent current : i q q q q ( ( ( ( a) a) a) a) njm287*_3.0v njm287*_3.0v njm287*_3.0v njm287*_3.0v quiescent current v.s. input voltage quiescent current v.s. input voltage quiescent current v.s. input voltage quiescent current v.s. input voltage @:ta=25 6 c output is open. co=1.0 f (ceramic) including icont input voltage : v input voltage : v input voltage : v input voltage : v in in in in (v) (v) (v) (v) 0 20 40 60 80 100 output current : io(a) output current : io(a) output current : io(a) output current : io(a) output noise voltage : vn(uvrms) output noise voltage : vn(uvrms) output noise voltage : vn(uvrms) output noise voltage : vn(uvrms) njm287*_3.0v njm287*_3.0v njm287*_3.0v njm287*_3.0v output noise voltage vs. output current output noise voltage vs. output current output noise voltage vs. output current output noise voltage vs. output current co =2 .2 f (ceramic) co =1 .0 f (ceramic) 1 10 100 1m 10m 100m @: ta =2 5 o c v in =4.0v lpf:100khz 20 30 40 50 60 70 80 90 100 ripple rejection ratio : rr (db) ripple rejection ratio : rr (db) ripple rejection ratio : rr (db) ripple rejection ratio : rr (db) frequency : f (hz) frequency : f (hz) frequency : f (hz) frequency : f (hz) njm287*_3.0v njm287*_3.0v njm287*_3.0v njm287*_3.0v ripple rejection ratio v.s. frequency ripple rejection ratio v.s. frequency ripple rejection ratio v.s. frequency ripple rejection ratio v.s. frequency io=0ma io=10ma io=30ma @:ta=25 o c v in =4 .0v ein=200mvrms co=1.0 f (ceramic) 10 100 1k 10k 100k 0.1 1 10 100 0.02 output current : io(a) output current : io(a) output current : io(a) output current : io(a) @:t a=2 5 o c co=1.0 f (ceramic) equivalent serise resistance : esr( equivalent serise resistance : esr( equivalent serise resistance : esr( equivalent serise resistance : esr( ? ? ? ? ) ) ) ) njm287*_3.0v njm287*_3.0v njm287*_3.0v njm287*_3.0v equivalent serise resistance vs. output current equivalent serise resistance vs. output current equivalent serise resistance vs. output current equivalent serise resistance vs. output current stable region stable region stable region stable region 1 10 100 1m 10m 100m
NJM2874/75/76 electrical characteristics 0 0.05 0.1 0.15 0.2 0.25 0.3 -50 0 50 100 150 temperature : ta ( temperature : ta ( temperature : ta ( temperature : ta ( o o o o c) c) c) c) @: v in =4v io=60ma co=1.0 f (ceramic) njm287*_3.0v njm287*_3.0v njm287*_3.0v njm287*_3.0v dropout voltage v.s. temperature dropout voltage v.s. temperature dropout voltage v.s. temperature dropout voltage v.s. temperature dropout voltage:dv dropout voltage:dv dropout voltage:dv dropout voltage:dv i-o i-o i-o i-o ( ( ( ( v) v) v) v) 0 0.5 1 1.5 2 -50 0 50 100 150 control voltage : v control voltage : v control voltage : v control voltage : v cont(off) cont(off) cont(off) cont(off) (v) (v) (v) (v) temperature : ta ( temperature : ta ( temperature : ta ( temperature : ta ( o o o o c) c) c) c) njm287*_3.0v njm287*_3.0v njm287*_3.0v njm287*_3.0v control voltage v.s. temperature control voltage v.s. temperature control voltage v.s. temperature control voltage v.s. temperature @:v in =4v io=30ma co=1.0 f(ceramic) 2.9 2.95 3 3.05 3.1 -50 0 50 100 150 output voltage vo (v) output voltage vo (v) output voltage vo (v) output voltage vo (v) temperature ta ( temperature ta ( temperature ta ( temperature ta ( o o o o c) c) c) c) njm287*_3.0v njm287*_3.0v njm287*_3.0v njm287*_3.0v output voltage v.s. temperature output voltage v.s. temperature output voltage v.s. temperature output voltage v.s. temperature @:v in =4v io=30ma co=1.0 f (ceramic) 0 50 100 150 200 -50 0 50 100 150 quiescent current : i quiescent current : i quiescent current : i quiescent current : i q q q q ( ( ( ( a) a) a) a) temperature : ta ( temperature : ta ( temperature : ta ( temperature : ta ( o o o o c) c) c) c) NJM2874_3.0v NJM2874_3.0v NJM2874_3.0v NJM2874_3.0v quiescent current v.s. temperature quiescent current v.s. temperature quiescent current v.s. temperature quiescent current v.s. temperature @:v in =4v 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) line regulation : dvo/dio (%/v) line regulation : dvo/dio (%/v) line regulation : dvo/dio (%/v) temperature : ta ( temperature : ta ( temperature : ta ( temperature : ta ( o o o o c) c) c) c) njm287*_3.0v njm287*_3.0v njm287*_3.0v njm287*_3.0v line regulation v.s. temperature line regulation v.s. temperature line regulation v.s. temperature line regulation v.s. temperature @:dv in =4.0-9.0v io=30ma co=1 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) load regulation : dvo/dio (%/ma) load regulation : dvo/dio (%/ma) load regulation : dvo/dio (%/ma) temperature : ta ( temperature : ta ( temperature : ta ( temperature : ta ( o o o o c) c) c) c) njm287*_3.0v njm287*_3.0v njm287*_3.0v njm287*_3.0v load regulation v.s. temperature load regulation v.s. temperature load regulation v.s. temperature load regulation v.s. temperature @: v in =4v io=0-100ma co=1.0 f (ceramic)
NJM2874/75/76 electrical characteristics 0 0.5 1 1.5 2 2.5 3 3.5 4 -50 0 50 100 150 200 output voltage vo (v) output voltage vo (v) output voltage vo (v) output voltage vo (v) temperature ta ( temperature ta ( temperature ta ( temperature ta ( o o o o c) c) c) c) njm287*_3.0v njm287*_3.0v njm287*_3.0v njm287*_3.0v output voltage v.s. temperature output voltage v.s. temperature output voltage v.s. temperature output voltage v.s. temperature @:v in =4v io=30ma co=1.0 f (ceramic) 0 50 100 150 200 -50 0 50 100 150 sh or t ci rcuit cur rent : i sh or t ci rcuit cur rent : i sh or t ci rcuit cur rent : i sh or t ci rcuit cur rent : i sc sc sc sc (ma) (ma) (ma) (ma) temperature : ta ( temperature : ta ( temperature : ta ( temperature : ta ( o o o o c) c) c) c) njm287*_3.0v njm287*_3.0v njm287*_3.0v njm287*_3.0v shor t ci rc uit current v .s. temperature shor t ci rc uit current v .s. temperature shor t ci rc uit current v .s. temperature shor t ci rc uit current v .s. temperature @:v in =4v output is short to ground. co=1.0 f(ceramic) -1 0 1 2 3 4 5 6 7 -30 -25 -20 -15 -10 -5 0 5 10 012345 njm287*_3v on/off transient response without load output voltage : vo [v] control voltage : vo [v] time : t [s] control voltage output voltage @:ta=25 o c v in =4v co=1 f io=0ma -1 0 1 2 3 4 5 6 7 -30 -25 -20 -15 -10 -5 0 5 10 048121620 njm237*_3v on/off transient response output voltage : vo [v] control v oltage : v o [v] time : t [ms] control voltage output voltage @:ta=25 o c v in =4v co=1 f io=30ma 2.92 2.94 2.96 2.98 3 3.02 3.04 3.06 3.08 -1 0 1 2 3 4 5 6 7 0 40 80 120 160 200 njm287*_3v line transient response output voltage : vo [v] time : t [ s] input voltage output voltage input voltage : v in [v ] @:ta=25 o c co=1 f 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 04080120160200 njm287*_3v load transient response output voltage : vo [v] time : t [ s] output current output voltage output current : io [ma] @:ta=25 o c v in =4 v co=1 f(ceramic)
NJM2874/75/76 [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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