parameter symbol typ unit input-output voltage differential v i -v o 40 v lead temperature tlead 230 o c power dissipation p d internally li mited w operating junction temperature range t j 0~125 o c storage temperature range t s t g -65~150 o c temperature coefficient of output voltage vo/ t 0.02 %/ o c lm317 features parameter symbol test conditions min typ max unit line regulation (note1) rline ta = +25 o c 3v v i - v o 40v - 0.01 0.04 % / v 3v v i - v o 40v - 0.02 0.07 load regulation (note1) rload ta = +25 o c, 10ma i o i m a x v o < 5v v o 5v - 18 0.4 25 0.5 mv % / v o 10ma i o i m a x v o < 5v v o 5v - 40 0.8 70 1.5 adjustable pin current i a d j - - 46 100 a adjustable pin current change i a d j 3v v i - v o 40v 10ma i o i m a x p d p m a x - 2.0 5 a reference voltage v r e f 3v v i n - v o 40v 10ma i o i m a x p d p m a x 1.20 1.25 1.30 v maximum output current i o ( m a x ) v i - v o 15v, p d p m a x v i - v o 40v, p d p m a x 1.0 2.0 0.3 - a ripple rejection rr v o = 10v, f = 120hz without cadj c a d j = 10 f (note2) 66 60 75 - db 3-terminal positive adjustable regulator output current in excess of 1. 5a output adjustable between 1. 2v and 37v internal thermal overload protection internal short circuit current limiting output transistor safe operating area compensation to-220 package product specification absolute maximum ratings electrical characteristics ( ta = 25 c) o ( ta = 25 c) o description this monolithic integrated circuit is an adjustable 3-terminal positive voltage regulator designed to supply more than 1.5a of load current with anoutput voltage adjustable over a 1.2 to 37v. it employs internal current limiting, thermal shut-down and safe area compensation. to-220 1. adj 2. output 3. input 1 2 3 note: 1. load and line regulation are specified at constant junction temperature. change in v d due to heating effects must be taken into account separately. pulse testing with low duty is used. (p max = 20w) 2. c adj , when used, is connected between the adjustment pin and ground. (v i - v o = 5 v, i o = 0.5 a, 0 o c t j + 125 o c, i max = 1.5a,p dmax = 20w, unless otherwise specified) tiger electronic co.,ltd
|
