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| 78M12 78M12 1 2 3 2 co 0.1 f to-251 -3l /to-252-2l plastic-encapsulate regulators three-terminal positive voltage regulator features maximum output current i om : 0.5 a output voltage v o : 12v continuous total dissipation p d : 1.25 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 35 v operating junction temperature range t opr 0-+125 storage temperature range t stg -65-+150 electric a l characteristics (vi=19v,io=350ma, ci=0.33 f, c o = 0 . 1 f, unless otherwise specified ) parameter sy m bol 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 1.25w 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 vi=19v 25 240 ma peak current ipk 25 0.7 a typical application vi 1 3 vo utc ci 0.33 f to-251 -3l to-252-2l 1.in 2.gnd 3.out 78M12 0.5a b,jan,2012 dongguan nanjing electronics ltd.,
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