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| 2 co 0.1 f to-220 -3l plastic-encapsulate voltage regulator CJ7815 three-terminal positive voltage regulator features maximum output current i om : 1.5 a output voltage v o : 15 v continuous total dissipation p d : 1.5 w (ta = 25 ) 15 w (t c = 25 ) absolute maximum ratings (operating temperat ure range applies unless otherwise specified) parameter symbol value unit input voltage v i 35 v thermal resistance junction-air r ja 83.3 /w thermal resistance junction-cases r jc 8.33 /w operating junction temperature range t opr 0 ~+ 1 50 storage temperature range t stg - 5 5 ~+ 150 electrical characteristics at specified virtual jinction temperature (vi=23v,io=500ma,ci=0.33 f, co=0.1 f, unless otherwise specified ) parameter symbol test conditions min typ max unit 25 14.4 15 15.6 v output voltage vo 17.5v v i 30v, io=5ma-1a p 15w 0-125 14.25 15 15.75 v io=5ma-1.5a 25 12 300 mv load regulation ? vo io=250ma-750ma 25 4 150 mv 17.5v v i 30v 25 12 300 mv line regulation ? vo 20v v i 26v 25 3 150 mv quiescent current iq 25 4.3 8 ma ? iq 17.5v v i 30v 1 ma quiescent current change ? iq 5ma i o 1a 0-125 0.5 ma output voltage drift vo/ t i o =5ma 0-125 -1 mv/ output noise voltage v n 10hz f 100khz 25 90 v ripple rejection rr 18.5v v i 28.5v,f=120hz 0-125 54 70 db dropout voltage vd io=1a 25 2 v output resistance r o f=1kh z 25 19 m ? short circuit current isc 25 230 ma peak current ipk 25 2.1 a typical application vi 1 3 vo utc ci 0.33 f to-220 -3l 1.in 2.gnd 3.out CJ7815 1 of 1 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification a,may,2012
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