NJM2877 -1- ver.2007-01-18 123 4 5 123 4 5 NJM2877f3 low dropout voltage regulator general description package outline the NJM2877 is a 150ma output low dropout voltage regulator with on/off control. advanced bipolar technology achieves low noise, high ripple rejection, high accuracy and low quiescent current. small packaging and 0.47 f small decoupling capacitor make the NJM2877 suitable for space conscious applications. features high ripple rejection 75db typ. (f=1khz vo=3v version) output noise voltage vno=30 vrms typ. (cp=0.01 f) output current io(max.)=150ma high precision output vo 1.0% output capacitor with 0.47 f ceramic capacitor(vo 2.7v version) low dropout voltage 0.10v typ. (io=60ma) on/off control (active high) internal thermal overload protection internal short circuit current limit bipolar technology package outline sc-88a pin configuration equivalent circuit v out thermal protection bandgap reference noise bypass v in control gnd 1. control 2. gnd 3. noise bypass 4. v out 5. v in NJM2877f3
NJM2877 - 2 - ver.2007-01-18 output voltage rank list device name v out device name v out device name v out NJM2877f3 -15 1.5v NJM2877f3 -28 2.8v NJM2877f3 -355 3.55v NJM2877f3 -18 1.8v NJM2877f3 -285 2.85v NJM2877f3 -36 3.6v NJM2877f3 -21 2.1v NJM2877f3 -29 2.9v NJM2877f3 -04 4.0v NJM2877f3 -22 2.2v NJM2877f3 -03 3.0v NJM2877f3 -42 4.2v NJM2877f3 -23 2.3v NJM2877f3 -31 3.1v NJM2877f3 -45 4.5v NJM2877f3 -24 2.4v NJM2877f3 -32 3.2v NJM2877f3 -46 4.6v NJM2877f3 -25 2.5v NJM2877f3 -33 3.3v NJM2877f3 -48 4.8v NJM2877f3 -255 2.55v NJM2877f3 -345 3.45v NJM2877f3 -05 5.0v output voltage options available : 1.5 ~ 5.0v (0.1v step) absolute maximum ratings (ta=25 c) parameter symbol ratings unit input voltage v in +10 v control voltage v cont +10(*1) v power dissipation p d 250(*2) mw operating temperature topr ? 40 +85 c storage temperature tstg ? 40 +125 c (*1) : when input voltage is less than +10v, the absolute maximum control voltage is equal to the input voltage. (*2) : mounted on glass epoxy board based on eia/jedec. (114.3x76.2x1.6mm: 2layers) operating voltage v in =+2.3 +9v (in case of vo<2.1v version) electrical characteristics (v in =vo+1v, c in =0.1 f, co=0.47 f: vo 2.7v (co=1.0 f : 1.8v NJM2877 - 3 - ver.2007-01-18 test circuit NJM2877 v in v in v out control noise bypass gnd 0.1f i in i cont v cont cp=0.01f i out v out v v a a 0.47f *4 (ceramic) *4: 1.8vNJM2877 v in v out control noise bypass gnd 0.1f cp=0.01f v out v in r (0 300k ? ) 0.47f *5 *5: 1.8v NJM2877 - 4 - ver.2007-01-18 2 in use of on/off control: NJM2877 v in v out control noise bypass gnd 0.1f cp=0.01f v out v in r 0.47f *5 *5 : 1.8v NJM2877 - 5 - ver.2007-01-18 power dissipation vs. ambient temperature (sc-88a) NJM2877f3 power dissipation (topr=-40~+85c,tj=125c) 0 100 200 300 400 500 -50 -25 0 25 50 75 100 ambient temperature ta(c) power dissipation p d (mw) on board(114.376.21.6mm, fr-4)
NJM2877 - 6 - ver.2007-01-18 typical 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(v) input voltage : v in (v) NJM2877_3.0v output voltage vs. input voltage @:ta=25 o c co=0.47 f(ceramic) io=0a io=100ma io=30ma 0 0.5 1 1.5 2 2.5 3 3.5 4 0 50 100 150 200 250 300 output voltage : vo(v) NJM2877_3.0v output voltage vs. output current @:ta=25 o c v in =4.0v co =0.4 7 f(ceramic) output current : io(ma) 0 5 10 15 20 0 50 100 150 200 ground pin current : i gn d (ma) NJM2877_3.0v ground pin current v.s. output current @:ta=25 o c v in =4.0v co=0.47 f(ceramic) output current : i o (ma) 0 0.05 0.1 0.15 0.2 0.25 0.3 0 50 100 150 200 output current:io(ma) @:ta=25 o c co =0 .4 7 f(ceramic) dropout volta ge:dv i-o (v) njm 2877_3.0v dropout voltage vs. output current 0 5 10 15 20 25 30 00.511.522.533.54 @:ta=25 o c v in =4.0v co=0.47 f(ceramic) cp=0.01 f io =30ma NJM2877_3.0v control current vs. control voltage rc=0 ? rc=100k ? rc=50k ? control current : i cont ( a) control voltage : v co nt (v) 0 0.5 1 1.5 2 2.5 3 3.5 4 00.511.522.53 @:ta=25 o c v in =4.0v co=0.47 f(ceramic) cp=0.01 f io=30ma NJM2877_3.0v output voltage vs. control voltage control voltage : v cont (v) output voltage : vo(v) rc=0 ? rc=50k ? rc=100k ?
NJM2877 -7- ver.2007-01-18 typical characteristics -50 -40 -30 -20 -10 0 0 50 100 150 200 load regulation : dvo/dio(mv) output current : io(ma) @:ta=25 o c v in =4.0v co=0.47 f(ceramic) NJM2877_3.0v load regulation vs. output current 0 50 100 150 200 250 300 45678910 peak output current : io ma x (ma) @:ta=25 o c co =0 .4 7 f(ce ra mic) input voltage : v in (v) NJM2877_3.0v peak output current vs. input voltage 0 500 1000 1500 2000 0246810 quiescent current : i q ( a) NJM2877_3.0v quiescent current v.s. input voltage @:ta=25 o c output is open. co=0.47 f(ceramic) including icont input voltage : v in (v) 0 50 100 150 200 250 300 10 0p 10p 1000p 0.01 0.1 noise bypass capacitor : cp(f) output noise voltage : vn( vrms) NJM2877_3.0v output noise voltage vs. noise bypass capacitor @:ta=25 o c v in =4.0v co =0.4 7 f(ceramic) io =1 0ma 1p 0 20 40 60 80 100 0.001 0.01 0.1 1 10 100 output current :io [ma] output noise voltage :vn ( vrms) NJM2877_3.0v output noise voltage vs. output current @:ta=25 o c v in =4.0v co=0.47 f cp=0.01 f lpf:80khz 0 200 400 600 800 1000 100 1000 10 4 10 5 frequency :f [hz] output noise voltage :vn (nv/ hz) NJM2877_3.0v output noise voltage vs. frequency @:ta=25 o c v in =4 .0v co =0 .4 7 f cp=0 .0 1 f io=1 0ma
NJM2877 - 8 - ver.2007-01-18 typical characteristics 20 30 40 50 60 70 80 90 100 10 100 1000 10 4 10 5 ripple rejection ratio : rr (db) frequency : f (hz) NJM2877_3.0v ripple rejection ratio v.s. frequency io=0ma @:ta=25 o c v in =4 .0v ein=200mvrms co =0 .4 7 f( cera mic) 10 100 1k 10k 100k io=10ma io=30ma 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) NJM2877_3.0v ripple rejection vs. output current f=1khz f=10khz @:ta=25 o c v in =4.0v ein=200mvrms co=0.47 f(ceramic) 0.1 1 10 10 0 0.001 0.01 0.1 1 10 100 10 3 0.02 output current : io(ma) @:ta=25 o c v in =4.0v co=0.47 f(ceramic) cp=0.01 f equivalent serise resistance : esr( ? ? ? ? ) NJM2877_3.0v equivalent serise resistance vs. output current stable region 0 0.05 0.1 0.15 0.2 0.25 0.3 -50 0 50 100 150 dropout voltage :dvi-o [v] NJM2877_3.0v dropout voltage v.s. temperature @:io=60ma co=0.47 f(ceramic) cp=0.01 f temperature :ta [ o c] 2.9 2.95 3 3.05 3.1 -50 0 50 100 150 output voltage :vo [v] NJM2877_3.0v output voltage v.s. temperature @:v in =4.0v io=30ma co=0.47 f(ceramic) cp=0.01 f temperature :ta [ o c]
NJM2877 - 9 - ver.2007-01-18 typical characteristics 0 0.5 1 1.5 2 -50 0 50 100 150 control voltage :vcont-off [v] NJM2877_3.0v control voltage v.s. t em perature @:v in =4 .0v output is open. co=0.47 f(ceramic) cp=0.01 f temperature :ta [ o c] 0 5 10 15 20 -50 0 50 100 150 @:ta=25 o c v in =4 .0v vc ont=1.6 v co =0 .4 7 f(ce ra mic) cp=0 .1 f(ceramic) NJM2877_3.0v control current vs. temperature control current : i co nt [ a] temperature :ta [ o c] 0 50 100 150 200 250 300 -50 0 50 100 150 quiescent current : iq [ a] NJM2877_3.0v quiescent current v.s. temperature @:v in =4 .0v output is open. co=0.47 f(ceramic) cp=0.01 f temperature :ta [ o c] 0 50 100 150 200 -50 0 50 100 150 short circuit current :isc [ma] NJM2877_3.0v short circuit current v.s. temperature @:v in =4.0v output is short to ground. co=0.47 f(ceramic) cp=0.01 f temperature :ta [ o c] -0.2 -0.1 0 0.1 0.2 -50 0 50 100 150 line regulation :dvo/dvin [%/v] NJM2877_3.0v line regulation v.s. t emperature @:v in =4 .0- 9.0v io=30ma co=0.47 f(ceramic) cp=0.01 f temperature :ta [ o c] 0 0.005 0.01 0.015 0.02 0.025 0.03 -50 0 50 100 150 load regulation :dvo/dio [%/ma] NJM2877_3.0v load regulation v.s. temperature @:v in =4 .0v io=0-100ma co=0.47 f(ceramic) cp=0.01 f temperature :ta [ o c]
NJM2877 - 1 0 - ver.2007-01-18 typical characteristics 0 75 150 225 300 -50 0 50 100 150 output peak current :ipeak [ma] NJM2877_3.0v output peak current v.s. temperature @:v in =4 .0v co=0.47 f(ceramic) cp=0.01 f temperature :ta [ o c] 0 0.5 1 1.5 2 2.5 3 3.5 -50 0 50 100 150 200 output voltage :vo [v] NJM2877_3.0v output voltage v.s. tem perature @:v in =4.0v io=30ma co=0.47 f(ceramic) cp=0.01 f temperature :ta [ o c] -1 0 1 2 3 4 5 6 7 -25 -20 -15 -10 -5 0 5 10 15 012345 njm 2877_3.0v on/off transient response without load output voltage : vo [v] control voltage : v o [v] time : t [s] control voltage output voltage @:ta=25 o c v in =4.0v co=0.47 f(ce rami c) cp=0.01 f io=0ma -1 0 1 2 3 4 5 6 7 -25 -20 -15 -10 -5 0 5 10 15 048121620 njm 2877_3.0v on/off transient response output voltage : vo [v] control voltage : v o [v] time : t [ms] control voltage output voltage @:ta=25 o c v in =4.0v co=0.47 f(ce rami c) cp=0.01 f io=30ma 2.94 2.96 2.98 3 3.02 3.04 3.06 3.08 3.1 -250 -200 -150 -100 -50 0 50 100 150 04080120160200 njm 2877_3.0v load transient response output voltage : vo [v] time : t [ s] output current output vo ltage @:ta=25 o c v in =4.0v co=0.47 f(ceramic) cp=0.01 f output current : io [ma] 2.94 2.96 2.98 3 3.02 3.04 3.06 3.08 3.1 -1 0 1 2 3 4 5 6 7 0 40 80 120 160 200 njm 2877_3.0v input transient response output voltage : vo [v] time : t [ s] input voltage output voltage @:ta=25 o c v in =4.0v co =0.47 f(ceramic) cp=0.01 f io=30ma input voltage : v in [v]
NJM2877 -11- ver.2007-01-18 [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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