View NJM2895DL3-2121_7440252.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

njm2895/96 -1- ver.2006-02-21 2ch low dropout voltage regulator general description package outline the njm2895/96 is a 2ch low dropout voltage regulator with on/off control. 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=40 vrms typ. output capacitor with 1.0 f ceramic capacitor (vo 2.5v) output current io(max.)=500ma x 2ch high precision output vo 1.0% low dropout voltage 0.18v typ. (io=300ma) on/off control (njm2895 : ch1/ch2 common, njm2896 ch2 only) internal short circuit current limit internal thermal overload protection bipolar technology package outline to-252-5 pin configuration 1. v out 1 2. v in 3. gnd 4. v out 2 5. control (active high) njm2895/96dl3 njm2895/96dl3 1 2 3 4 5 3
njm2895/96 - 2 - ver.2006-02-21 equivalent circuit njm2896 njm2895 v out 1 v out 2 v in control gnd thermal protection bandgap reference on/off control v out 1 v out 2 v in control gnd thermal protection bandgap reference
njm2895/96 - 3 - ver.2006-02-21 output voltage rank list device name v out ch 1 ch 2 njm289*dl3-2121 2.1v 2.1v njm289*dl3-0303 3.0v 3.0v njm289*dl3-0533 5.0v 3.3v njm289*dl3-0505 5.0v 5.0v absolute maximum ratings (ta=25 c) parameter symbol ratings unit input voltage v in +14 v control voltage v cont +14(*1) v power dissipation p d 8(tc=25 c) 0.8(ta 25 c) w 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. njm2895 electrical characteristics (v in =vo+1v, c in =0.33 f, co=1.0 f (vo 2.4v : co=2.2 f), ta=25c) parameter symbol test condition min. typ. max. unit output voltage vo io=30ma -1.0% - +1.0% v quiescent current i q1 io=0ma - 400 600 a quiescent current at control off i q(off) v cont =0v - - 100 na output current io vo-0.3v 500 650 - ma line regulation ? vo/ ? v in v in =vo+1v vo+6v, io=30ma - - 0.10 %/v load regulation ? vo/ ? io io=0 500ma - - 0.03 %/ma dropout voltage ? 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 - 40 - vrms control voltage for on-state v cont(on) 1.6 - - v control voltage for off-state v cont(off) - - 0.6 v
njm2895/96 - 4 - ver.2006-02-21 njm2896 electrical characteristics (v in =vo+1v, c in =0.33 f, co=1.0 f (vo 2.4v : co=2.2 f), ta=25c) parameter symbol test condition min. typ. max. unit output voltage vo io=30ma -1.0% - +1.0% v quiescent current 2 i q1 io=0ma, v cont =0v, expect i cont - 200 300 a quiescent current 2 i q2 io=0ma, v cont =0v, expect i cont - 400 600 a output current io vo-0.3v 500 650 - ma line regulation ? vo/ ? v in v in =vo+1v vo+6v, io=30ma - - 0.10 %/v load regulation ? vo/ ? io io=0 500ma - - 0.03 %/ma dropout voltage ? 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 - 40 - vrms control voltage for on-state v cont(on) 1.6 - - v control voltage for off-state v cont(off) - - 0.6 v (*2): v in =vo+1v means add 1v to higher output voltage. 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 v out 1 control gnd 0.33 f i in i cont v cont i out 1 v out 1 v v a a v in v out 2 i out 2 v out 2 v njm2895 / 96 v in 1.0
njm2895/96 - 5 - ver.2006-02-21 r1 v out 1 control gnd 0.33 f v out 1 v in v in njm2895 / 96 v out 2 1.0 typical application 1 in the case where on/off control is not required: connect control terminal to v in terminal 2 in use of on/off control: state of control terminal: ? ?h? output is enabled. ? ?l? or ?open? output is disabled. in the case of using a resistance "r" between v in and control. the current flow into the control terminal while the ic is on state (i cont ) can be reduced when a pull up resistance "r" is inserted between v in and the control terminal. the minimum control voltage for on state (v cont (on) ) is increased due to the voltage drop caused by i cont and the resistance "r". the i cont is temperature dependence as shown in the "control current vs. temperature" characteristics. therefore, the resistance "r" should be carefully selected to ensure the control voltage exceeds the v cont (on) over the required temperature range. r1 (0 300k ?) v out 1 control gnd 0.33 f v out 1 v in v in njm2895 / 96 v out 2 v out 2 1.0
njm2895/96 - 6 - ver.2006-02-21 power dissipation vs. ambient tenperature njm2895/96dl3 (topr=-40~+85c,tj=+125c,p d =8w(t c =25c),p d =0.8w(ta 25c)) 0 2 4 6 8 10 -50 -25 0 25 50 75 100 ambient temperature ta(c) power dissipation p d (w) heat sink w ithout heat sin k hs =5c/w hs =20c/w hs =10c/w
njm2895/96 -7- ver.2006-02-21 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(v) input voltage : v in (v) njm2895/96_3.0v output volt age vs. input volt age @:ta=25 o c co=1.0 f (ceramic) ch1/ch2 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 njm 2895/96_3.0v output voltage vs. output current output voltage :vo [v] output current :io [ma] @:ta=25 o c v in =4.0v co =1.0 f(ceramic) 0 5 10 15 20 25 30 0 100 200 300 400 500 600 700 ground pin current : i gnd (ma) njm 2895/96_3.0v ground pin current v.s. output current @:ta=25 o c v in =4.0v co=1.0 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(ma) @:ta=25 o c co=1.0 f (cer ami c) dropout voltage:dv i-o (v) njm2895/96_3.0v dropout voltage vs. output current 0 10 20 30 40 50 60 0 0.5 1 1.5 2 2.5 3 3.5 4 rc=0 ? rc=50k ? rc=100k ? control current : icont ( a) control voltage : vcont(v) njm2895_3.0v/3.0v control current vs. control voltage @:ta=25 o c v in =4v co=1.0 f ( cer amic) io=30ma 0 10 20 30 40 50 60 0 0.5 1 1.5 2 2.5 3 3.5 4 rc=0 ? rc=50k ? rc=100k ? control current : icont( a) control voltage : vcont(v) njm 2896_3.0v/3.0v control current vs. control voltage @:ta=25 o c v in =4v co =1.0 f (ceramic) io=30ma
njm2895/96 - 8 - ver.2006-02-21 electrical characteristics 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 ? rc=50k ? rc=100k ? output voltage : vo(v) control voltage : vcont(v) njm2895_3.0v/3.0v output voltage vs. control voltage @:ta=25 o c v in =4v co =1.0 f (ceramic) io=30ma 0 0.5 1 1.5 2 2.5 3 3.5 4 00.511.522.53 rc=0 ? rc=50k ? rc=100k ? output voltage : vo(v) control voltage : vcont(v) njm2896_3.0v/3.0v output voltage vs. control voltage @:ta=25 o c v in =4v co =1.0 f (ceramic) io=30ma -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) njm 2895/96_3.0v load regulation vs. output current @:ta=25 o c v in =4.0v co=1.0 f (ceramic) 0 200 400 600 800 1000 1200 4 6 8 10 12 14 peak output current : io max (ma) input voltage : v in (v) njm 2895/96_3.0v peak output current vs. input voltage @:ta=25 o c co=1.0 f ( cer amic) 0 500 1000 1500 2000 2500 3000 3500 4000 0 5 10 15 quiescent current : i q ( a) njm2895_3.0v/3.0v quiescent current v.s. input voltage @:ta=25 o c output is open. co=1.0 f (ceramic) input voltage : v in (v) 0 500 1000 1500 2000 2500 3000 3500 4000 0 5 10 15 quiescent current : i q ( a) njm2896_3.0v/3.0v quiescent current v.s. input voltage @:ta=25 o c output is open. co=1.0 f (ceramic) input voltage : v in (v) ch2:off ch2:on
njm2895/96 - 9 - ver.2006-02-21 electrical characteristics 0 20 40 60 80 100 0.001 0.01 0.1 1 10 100 output current : io(ma) output noise voltage : vn ( vrms) njm 2895/96_3.0v output noise voltage vs. output current co=1.0 f ( cer amic) @:ta=25 o c v in =4.0v lpf:80khz co=2.2 f (ceramic) 20 30 40 50 60 70 80 90 10 0 1ch:0ma 1ch:10ma 1ch:30ma 2ch:0ma 2ch:10ma 2ch:30ma ripple rejection ratio : rr (db) frequency : f (hz) njm2895/96_3.0v/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 =1.0 f (cerami c) 10 100 10k 100k 1k 20 30 40 50 60 70 80 90 100 0.001 0.01 0.1 1 10 100 ch1 ch1 ch2 ch2 output current : io(ma) ripple rejection : rr (db) njm2895/96_3.0v/3.0v ripple rejection vs. output current f=10khz @:ta=25 o c v in =4.0v ei n=200mvrms co=1.0 f (ceramic) f=1khz 0.1 1 10 100 0.001 0.01 0.1 1 10 100 0.02 output current : io(ma) @:ta=25 o c co =1.0 f (ceramic) ch1/ch2 equivalent serise resistance : esr( ? ? ? ? ) njm2895/96_3.0v/3.0v equivalent serise resistance vs. output current stable region 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 -50 0 50 100 150 dropout voltage : dv i-o (v) njm2895/96_3.0v dropout voltage vs. temperature @:v in =4.0v io=300ma co=1.0 f (cer ami c) temperature : ta( o c) 2.9 2.95 3 3.05 3.1 -50 0 50 100 150 output voltage : vo(v) njm2895/96_3.0v output voltage vs. temperature @:v in =4.0v io=30ma co=1.0 f (ceramic) temperature : ta( o c)
njm2895/96 - 1 0 - ver.2006-02-21 electrical characteristics 0 0.5 1 1.5 2 -50 0 50 100 150 control voltage(off) : v cont(off) (v) njm 2895/96_3.0v control voltage(off) vs. temperature @:v in =4.0v output is open. co =1.0 f (ceramic) temperature : ta ( o c) 0 2 4 6 8 10 -50 0 50 100 control current : i cont ( a) temperat ure ta ( o c) njm 2896_3.0v control current v.s. temperature @:v in =4.0v output is open. co=1.0 f(ce ra mic) v cont =1 .6v 0 100 200 300 400 500 600 -50 0 50 100 150 quiescent current : i q ( a) njm 2895/96_3.0v quiescent current v.s. input voltage @:v in =4.0v output is open. co=1.0 f (ceramic) including i cont temperat ure : t( o c) 0 50 100 150 200 250 300 -50 0 50 100 150 short circuit current : isc (ma) njm2895/96_3.0v short circuit current v.s. temperature @: v in =4.0v co=1.0 f (ceramic) output is short to ground. temperature : ta ( o c) -0.1 -0.05 0 0.05 0.1 -50 0 50 100 150 line regulation : dvo/dio(%/v) njm2895/96_3.0v line regulation vs. temperature @:v in =4.0-9.0v io=30ma co=1.0 f ( cer amic) temperat ure : 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) njm2895/96_3.0v load regulation vs. temperature @:v in =4.0v io=0~500ma co=1.0 f (ceramic) temperat ure : ta( o c)
njm2895/96 -11- ver.2006-02-21 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) njm2895/96_3.0v output voltage vs. temperature @:v in =4.0v io=30ma co=1.0 f (ceramic) temperature : ta( o c) -1 0 1 2 3 4 5 6 7 -30 -25 -20 -15 -10 -5 0 5 10 012345 njm 2895/96_3.0v on/off transient response without load output voltage : vo [v] contr ol voltage : v o [v] time : t [s] control voltage output voltage @:ta=25 o c v dd =4.0v co=1.0 f( ce ramic) cp=0.01 f io=0ma -1 0 1 2 3 4 5 6 7 -30 -25 -20 -15 -10 -5 0 5 10 0 4 8 121620 njm 2895/96_3.0v on/off transient response output voltage : vo [v] contr ol voltage : 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 2.8 2.85 2.9 2.95 3 3.05 3.1 3.15 3.2 -200 -100 0 100 200 300 400 500 600 0 40 80 120 160 200 njm2895/96_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 current : io [ma] 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 njm2895/96_3.0v input transient response output voltage : vo [v] time : t [ s] input voltage output vo ltage @:ta=25 o c v dd =4.0v co =1.0 f(ceramic) io=30ma input voltage : v in [v ] [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.

▲Up To Search▲

Price & Availability of NJM2895DL3-2121

	To Download NJM2895DL3-2121 Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .