nju7741/44 -1- ver.2006-02-14 low dropout voltage regulator general discription package outline nju7741/44 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. NJU7744 features shunt switch which improves turn off response of output voltage when on/off control is used. features ultra low quiescent current iq=1.5 a typ.(i o =0ma) output capacitor with 0.1uf ceramic capacitor output current i o (max.)=100ma high precision output v o 1.0% low dropout voltage 0.17v typ. (i o =60ma, v o =3v version) with on/off control (active high) with output shunt switch only NJU7744 internal short circuit current limit cmos technology package outline sot-23-5 pin configuration equivalent circuit v out gnd v in vref control current limit output control v out gnd v in vref control current limit output control nju7741 NJU7744 pin function 1.control 2.gnd 3.n.c. 4.v out 5.v in nju7741/44f 123 4 5 123 4 5 nju7741/44f
nju7741/44 - 2 - ver.2006-02-14 output voltage rank list device name v out device name v out device name v out nju774*f15 1.5v nju774*f28 2.8v nju774*f04 4.0v nju774*f18 1.8v nju774*f29 2.9v nju774*f45 4.5v nju774*f19 1.9v nju774*f03 3.0v nju774*f05 5.0v nju774*f02 2.0v nju774*f31 3.1v nju774*f06 6.0v nju774*f25 2.5v nju774*f33 3.3v nju774*f27 2.7v nju774*f37 3.7v 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 NJU7744. electrical characteristics (v in =v o +1v, c in =0.1 f, c o =0.1 f, ta =2 5 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, except i cont ? 1.5 3.5 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 ? 25 ? 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 ? ? 0.30 %/v load regulation ? v o / ? v o io=0 100ma ? ? 0.15 %/ma io=40ma 1.5v v o 2.0v ? 0.19 0.60 v 2.0v v o 2.4v ? 0.19 0.29 v 2.5v v o 2.7v ? 0.18 0.27 v 2.8v v o 3.3v ? 0.17 0.26 v 3.4v v o 5.0v ? 0.16 0.24 v dropout voltage ? v i-o io=60ma 5.1v v o 6.0v ? 0.15 0.22 v average temperature coefficient of output voltage ? v o / ? ta ta = 0 85 c, i o =10ma ? 100 ? ppm/ c pull-down resistance r cont 2 5 10 m ? control voltage for on-state v cont(on) 1.6 ? v in v control voltage for off-state v cont(off) 0 ? 0.3 v pull-down resistance at off-state(note 3) r o(off) v cont =0v (v o =3.0v version) ? 300 ? ? (*5) this electrical characteristics is applied to NJU7744. the above specification is a common specification for all voltages. therefore, it may be different from the individual specification for a specific output voltage.
nju7741/44 - 3 - ver.2006-02-14 power dissipation vs. ambient temperature nju7741/44f 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) test circuit 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 0.1 f (ceramic) nju7741/44
nju7741/44 - 4 - ver.2006-02-14 typical application 1 in case that on/off control is not required: v in v in v out control gnd c in 0.1 f v out c o 0.1 2 in use of on/off control v in v in v out control gnd c in 0.1 f v out c o 0.1 state of control terminal: ?h? output is enabled. ?l? or ?open? output is disabled.
nju7741/44 - 5 - ver.2006-02-14 typical characteristics 2.4 2.6 2.8 3 3.2 3.4 2.6 2.8 3 3.2 3.4 3.6 3.8 output voltage : vo(v) input voltage : v in (v) nju7741/44_3.0v output voltage vs. input voltage @:ta=25 o c co=0.1 f (ceramic) io=0a io=40ma io=100ma 0 0.5 1 1.5 2 2.5 3 3.5 4 0 50 100 150 200 output voltage : vo(v) nju7741/44_3.0v output volt age vs. output current @:ta=25 o c v in =4.0v co=0.1 f (cer ami c) output current : io(ma) 0 5 10 15 20 25 30 35 40 0 20406080100 ground pin current : i gnd ( a) nju7741/44_3.0v ground pin current v.s. output current @:ta=25 o c v in =4.0v co=0.1 f(ce ramic ) output current : i o (ma) 0 0.1 0.2 0.3 0.4 0.5 10 30 50 70 90 output current:io(ma) @:ta=25 o c co=0.1 f (ceramic) dropout voltage:dv i-o (v) nju7741/44_3.0v dropout voltage vs. output current 0 2 4 6 8 10 12 14 16 0246810 quiescent current : i q ( a) nju7741/44_3.0v quiescent current v.s. input voltage @:ta=25 o c output is open. co=0.1 f (ceramic) including icont input voltage : v in (v)
nju7741/44 - 6 - ver.2006-02-14 typical characteristics 0 0.05 0.1 0.15 -50 0 50 100 150 temperature : ta ( o c) @:io=60ma co=0.1 f ( cer amic) nju7741/44_3.0v dropout voltage v.s. temperat ure 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) nju7741/44_3.0v output voltage v.s. temperat ure @:v in =4v io=30ma co=0.1 f (ceramic) 0 1 2 3 4 5 -50 0 50 100 150 quiescent current : i q ( a) temperat ure : ta ( o c) nju7741/44_3.0v quiescent current v.s. temperature @:v in =4 v output is open. co=0.1 f( ce ra mic) 0 0.05 0.1 0.15 0.2 -50 0 50 100 150 line regulation : dvo/dio (%/v) temperature : ta ( o c) nju7741/44_3.0v li ne regulation v.s. temperature @:dv in =4-9v io=30ma co=0.1 f(ce ramic ) 0 0.01 0.02 0.03 0.04 0.05 0.06 -50 0 50 100 150 load regulation : dvo/dio (%/ma) temperature : ta ( o c) nju7741/44_3.0v load regul ation v.s. temperat ure @:v in =4v io=0-100ma co=0.1 f (ceramic) 0 20 40 60 80 100 -50 0 50 100 150 short circuit current : i sc (ma) temperat ure : ta ( o c) nju7741/44_3.0v short circuit current v.s. temperature @:v in =4 v output is short to ground. co=0.1 f( ce ramic)
nju7741/44 -7- ver.2006-02-14 [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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