NJU7751/54 -1- ver.2006-02-23 low dropout voltage regulator general discription package outline NJU7751/54 is a low dropout voltage regulator with on/off control and output shunt switch. advanced cmos technology achieves high ripple rejection and ultra low quiescent current. it is suitable for reset small micro controller and other logic chips. features pin configuration ultra low quiescent current iq=20 a typ.(i o =0ma) output capacitor with 1.0uf ceramic capacitor output current i o (max.)=100ma high precision output v o 1.0% low dropout voltage 0.15v typ. (i o =60ma, v o =3v) with on/off control (active high) with output shunt switch internal short circuit current limit cmos technology package outline sot-23-5 equivalent circuit v out gnd v in vref control current limit output control v out gnd v in vref control current limit output control NJU7751 nju7754 output voltage rank list device name v out device name v out nju775*f15 1.5v nju775*f28 2.8v nju775*f18 1.8v nju775*f03 3.0v nju775*f21 2.1v nju775*f32 3.2v nju775*f22 2.2v nju775*f33 3.3v nju775*f24 2.4v nju775*f05 5.0v nju775*f25 2.5v pin function 1.control 2.gnd 3.n.c. 4.v out 5.v in NJU7751/54f NJU7751/54f 1 2 3 4 5
NJU7751/54 - 2 - ver.2006-02-23 absolute maximum ratings (ta=25 c) parameter symbol ratings unit input voltage v in +10 v control voltage v cont +10(*1) v 350 (*2) power dissipation p d sot-23-5 200 (*3) mw operating temperature to p r ? 40 +85 c storage temperature ts t g ? 40 +125 c output sink current at off-state(*4) i o 10 ma (*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) (*3): device itself. (*4): this maximum rating is applied to nju7754. operating voltage v in =+2.3 +9v (in case of vo<2.1v version) electrical characteristics (v in =v o +1v, c in =0.1 f, c o =1.0 f(vo 2.0v:co=2.2 f), ta=25 c) parameter symbol test condition min. typ. max. unit output voltage v o i o =30ma ? 1.0% ? +1.0% v input voltage v in ? ? 9 v quiescent current i q i o =0ma, v cont =v in, include i cont ? 20 40 a quiescent current at control off i q(off) v cont =0v ? 0.1 1 a output current i o v o ? 0.3v 100 ? ? ma short circuit limit i lim v o =0v ? 40 ? ma line regulation ? v o / ? v in v in = v o +1v v o +6.0v(v o <3.0v) v in = v o +1v 9.0v(v o 3.0v), i o =30ma ? ? 0.20 %/v load regulation ? v o / ? v o io=0 100ma ? ? 0. 03 %/ma 2.1v v o 2.4v ? 0.20 0.27 v 2.5v v o 2.7v ? 0.18 0.25 v 2.8v v o 3.3v ? 0.15 0.22 v dropout voltage(*5) ? v i-o io=60ma 3.4v v o 5.0v ? 0.12 0.19 v ripple rejection rr ein=200mvrms,f=1khz,io=10ma, vo=3.0v version ? 65 ? db average temperature coefficient of output voltage ? v o / ? ta ta = 0 85 c, i o =10ma ? 100 ? ppm/ c output noise voltage v no f=10hz 80khz,io=10ma,vo=3.0v version ? 75 ? vrms pull-down resistance r cont 2 5 10 m ? control voltage for on-state v cont(on) 1.6 ? ? v control voltage for off-state(*6) v cont(off) ? ? 0.3 v pull-down resistance at off-state r o(off) v cont =0v (v o =3.0v version) ? 150 ? ? (*5): the output voltage excludes under 2.1v. (*6): this electrical characteristics is applied to nju7754. the above specification is a common specification for all voltages. therefore, it may be different from the individual specification for a specific output voltage.
NJU7751/54 - 3 - ver.2006-02-23 c in 0.1 f v v NJU7751/54 v in control v out a gnd v in v out i out i cont v cont a i in c o 1.0 f *7 (ceramic) test circuit *7 : vo 2.0v version, co=2.2f(ceramic) typical application 1 in case that on/off control is not required: *8 : vo 2.0v version, co=2.2f connect control terminal to v in terminal. 2 in use of on/off control *8 : vo 2.0v version, co=2.2f state of control terminal: ?h? output is enabled. ?l? or ?open? output is disabled. NJU7751/54 v in control v out gnd c in 0.1 f v in v out c o 1.0 f *8 NJU7751/54 v in control v out gnd c in 0.1 f v in v out c o 1.0 f *8
NJU7751/54 - 4 - ver.2006-02-23 power dissipation vs. ambient temperature NJU7751/54f 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)
NJU7751/54 - 5 - ver.2006-02-23 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) NJU7751/54_3.0v output voltage vs. input voltage @:ta=25 o c co =1 .0 f (ceramic) c in =0.1 f (ceramic) io=0a io=30ma io=100ma 0 0.5 1 1.5 2 2.5 3 3.5 0 50 100 150 200 250 output voltage : vo(v) NJU7751/54_3.0v output volt age vs. output current @:ta=25 o c v in =4 .0v co=1.0 f (ceramic) c in =0 .1 f (cer amic) output current : io(ma) 0 20 40 60 80 100 0 50 100 150 ground pin current : i gnd ( a) NJU7751/54_3.0v ground pin current v.s. output current @:ta=25 o c v in =4.0v co=1.0 f (ceramic) c in =0.1 f (ceramic) output current : i o (ma) 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0 50 100 150 output current:io(ma) @:ta=25 o c co=1.0 f (ceramic) dropout voltage:dv i-o (v) NJU7751/54_3.0v dropout voltage vs. output current 0 1 2 3 4 5 6 0 0.5 1 1.5 2 2.5 3 3.5 4 output voltage : vo(v) control voltage : vcont(v) NJU7751/54_3.0v output voltage vs. control voltage @:ta =25 o c v in =4 .0v co =1 .0 f (ceramic) c in =0.1 f (ceramic) io=30ma -30 -25 -20 -15 -10 -5 0 0 50 100 150 load regulation : dvo/dio(mv) output current : io(ma) NJU7751/54_3.0v load regulation vs. output current @:ta=25 o c v in =4 .0v co=1 .0 f (cerami c) c in =0.1 f (ceramic)
NJU7751/54 - 6 - ver.2006-02-23 electrical characteristics 0 50 100 150 200 250 300 3456789 peak output current : io ma x (ma) NJU7751/54_3.0v peak output current vs. input voltage @:ta=25 o c co=1.0 f (ceramic) c in =0.1 f v o -0.3v input voltage : v in (v) 0 10 20 30 40 50 60 0246810 quiescent current : i q ( a) NJU7751/54_3.0v quiescent current v.s. input voltage @:ta=25 o c output is open. co=1.0 f ( cer amic) including icont i nput volt age : v in (v) 0 20 40 60 80 100 120 0.001 0.01 0.1 1 10 100 output current : io(ma) output noise voltage : vn( vrms) NJU7751/54_3.0v output noise voltage vs. output current @:ta=25 o c v in =4.0v lpf:80khz co =1.0 f(ceramic) c in =0 .1 f(ceramic) 0 20 40 60 80 10 0 10 100 1000 10 4 10 5 ripple rejection ratio : rr (db) frequency : f (hz) NJU7751/54_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 (ceramic) 10 0 20 40 60 80 100 0.001 0.01 0.1 1 10 100 output current : io(ma) ripple rejection : rr (db) NJU7751/54_3.0v ripple rejection vs. output current f=1khz f=10khz @:ta=25 o c v in =4.0v ein=200mvrms co=1.0 f (ceramic) 0.1 1 10 100 output current : io(a) @:ta=25 o c v in =4.0v co=1.0 f (ceramic) cin=0.1 f( ceramic) equivalent serise resistance : esr( ?) ?) ?) ?) NJU7751/54_3.0v equivalent serise resistance vs. output current stable region 1 10 100 1m 10m 100m
NJU7751/54 -7- ver.2006-02-23 electrical characteristics 0 0.05 0.1 0.15 0.2 0.25 0.3 -50 0 50 100 150 temperature : ta ( o c) @: io=60ma co=1.0 f (ceramic) c in =0.1 f (ceramic) NJU7751/54_3.0v dropout voltage v.s. temperat ure dropout voltage:dv i-o (v) 0 0.5 1 1.5 2 -50 0 50 100 150 @:v in =4.0v output is open. co=1.0 f(ceramic) c in =0.1 f (ceramic) temperat ure : ta ( o c) off control voltage : v cont(off) (v) NJU7751/54_3.0v off control voltage vs. temperature 2.9 2.95 3 3.05 3.1 -50 0 50 100 150 output voltage vo (v) temperature ta ( o c) NJU7751/54_3.0v output voltage v.s. temperat ure @:v in =4.0v io=30ma co=1.0 f (ceramic) c in =0.1 f (ceramic) 0 10 20 30 40 50 60 -50 0 50 100 150 quiescent current : i q ( a) temperature : ta ( o c) NJU7751/54_3.0v quiescent current v.s. temperature @:v in =4 .0v output is open. co=1.0 f( cera mic) c in =0.1 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) NJU7751/54_3.0v li ne regulation v.s. temperature @:dv in =4.0-9.0v io=30ma co=1.0 f(ce rami c) c in =0.1 f (cer amic) 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) NJU7751/54_3.0v load regul ation v.s. temperature @:v in =4.0v io=0-100ma co=1.0 f (ceramic) c in =0.1 f (ceramic)
NJU7751/54 - 8 - ver.2006-02-23 electrical characteristics 0 50 100 150 -50 0 50 100 150 short circuit current : i sc (ma) temperat ure : ta ( o c) NJU7751/54_3.0v short circuit current v.s. temperature @:v in =4 .0v output is short to ground. co=1.0 f( cera mic) c in =0.1 f (ceramic) -1 0 1 2 3 4 5 6 7 -30 -25 -20 -15 -10 -5 0 5 10 012345 NJU7751_3.0v on/off transient response without load output voltage : vo [v] contr ol voltage : v o [v] time : t [ms] control voltage output voltage @:ta=25 o c v in =4.0v co =1.0 f(ceramic) c in =0.1 f io=0ma -1 0 1 2 3 4 5 6 7 -30 -25 -20 -15 -10 -5 0 5 10 012345 NJU7751/54_3.0v on/off transient response output voltage : vo [v] contr ol voltage : vo [v] time : t [ms] control voltage output voltage @:ta=25 o c v in =4.0v co =1.0 f(ceramic) c in =0.1 f io=30ma 2.7 2.8 2.9 3 3.1 3.2 3.3 3.4 3.5 -2 -1 0 1 2 3 4 5 6 0 40 80 120 160 200 NJU7751_3.0v load transient response output voltage : vo [v] input voltage : v in [v] time : t [ s] input voltage output voltage @:ta=25 o c v in =4.0v co =1.0 f(ceramic) io=30ma 2.7 2.8 2.9 3 3.1 3.2 3.3 3.4 3.5 -250 -200 -150 -100 -50 0 50 100 150 0 40 80 120 160 200 NJU7751_3.0v load transient response ou tput vo ltage : vo [v] output current : io [ma] time : t [ s] output current output voltage @:ta=25 o c v in =4 .0v co=1.0 f(ceramic)
NJU7751/54 - 9 - ver.2006-02-23 electrical characteristics -1 0 1 2 3 4 5 6 7 -30 -25 -20 -15 -10 -5 0 5 10 012345 nju7754_3.0v on/off transient response without load output voltage : vo [v] contr ol voltage : v o [v] time : t [ms] control voltage output voltage @:ta=25 o c v in =4.0v co =1.0 f(ceramic) c in =0.1 f io=0ma -1 0 1 2 3 4 5 6 7 -30 -25 -20 -15 -10 -5 0 5 10 012345 nju7754_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 in =4.0v co =1.0 f(ceramic) c in =0.1 f io=30ma 2.7 2.8 2.9 3 3.1 3.2 3.3 3.4 3.5 -2 -1 0 1 2 3 4 5 6 0 40 80 120 160 200 nju7754_3.0v load transient response output voltage : vo [v] input voltage : v in [v] time : t [ s] input voltage output voltage @:ta=25 o c v in =4.0v co =1.0 f(ceramic) io=30ma 2.7 2.8 2.9 3 3.1 3.2 3.3 3.4 3.5 -250 -200 -150 -100 -50 0 50 100 150 0 40 80 120 160 200 nju7754_3.0v load transient response ou tput vo ltage : vo [v] output current : io [ma] time : t [ s] output current output voltage @:ta=25 o c v in =4 .0v co=1.0 f(ceramic) [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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