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2 co 0.1 f to-220 -3l plastic-encapsulate regulators cj78m12 three-terminal positive voltage regulator features maximum o utput current i om : 0.5 a output voltage v o : 12v continuous total dissipation p d : 1.5 w (ta= 25 ) 15 w (tc= 25 ) absolute maximum ratings (operating temperat ure range applies unless otherwise specified) parameter symbol value unit input voltage v i 3 5 v electrical characteristics at specified virtual j u nction temperature (vi=19v,io=350ma, ci=0.33 f, c o = 0 . 1 f, unless otherwise specified ) parameter sy mbol test conditions m in t yp m ax u nit 25 11.5 12 12.5 v output v oltage vo 14.5 v i 27v, io=5ma-350ma po 15w 0-125 11.4 12 12.6 v io=5ma-500ma 25 25 240 mv load regulation vo io=5ma-200ma 25 10 120 mv 14.5v v i 30v, io=200ma 25 10 100 mv line r egulation vo 16v v i 30v, io=200ma 25 3 50 mv quiescent current iq 25 4.6 6 ma iq 14.5v v i 30v, io=200ma 0-125 0.8 ma quiescent current change iq 5ma i o 350ma 0-125 0.5 ma output noise voltage v n 10hz f 100khz 25 75 v ripple rejection rr 15 v i 25v,f=120hz,io=300ma 0-125 55 80 db dropout voltage vd io=350ma 25 2 v short circuit current isc v i =19v 25 240 ma peak current ipk 25 0. 5 a typical application vi 1 3 vo utc ci 0.33 f cj78m12 0.5a to-220 -3l 1. in 2. gnd 3. out operating junction temperature range t opr 0 ~ +1 5 storage temperature range t stg - 5 5 ~ +150 thermal resist ance from juncti on to ambient r ja 83.3 /w thermal resistance from junction to case r jc 8.3 /w 1 of 1 sales@zpsemi.com www.zpsemi.com cj78m12

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