co 0.1 f to-263-3l plastic-encapsulate voltage regulators cj7812 three -terminal positive voltage regulator features maximum output current i om : 1.5 a output voltage v o : 12 v continuous total dissipation p d : 1.5 w (t a = 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 r esistance from j unction to a ir r ja /w thermal resistance from junction to c ase r jc /w operating junction temperature range t opr 0- 150 storage temperature range t stg -65-150 electrical characteristics at specified virtual jinction temperature (vi=19v, io=500ma,ci=0.33 f, co=0.1 f, unless otherwise specified ) pa r ameter symbol test conditions m in t yp m ax u nit 25 11.5 12.0 12.5 v output v oltage vo io= 5.0ma-1.0a, p 15w 14.5v v i 27v 0-125 11.4 12 12.6 v 14.5v vi 30v 25 10 240 mv load regulation ? vo 16v v i 22v 25 3 120 mv i o =5ma - 1.5a 25 12 240 mv line r egulation ? vo i o =250ma - 750ma 25 4 120 mv quiescent current iq 25 4.3 8 ma 5.0ma i o 1.0a 0-125 0.5 ma quiescent current change ? iq 14.5v v i 30v 0-125 1.0 ma output v oltage d rift vo/ t i o = 5ma 0-125 -1 mv/ output noise voltage v n f =10hz to 100khz 25 75 v ripple rejection rr f =120hz, 15v v i 25v 0-125 55 71 db dropout voltage v d i o =1.0a 25 2 v output r esistance r o f = 1khz 25 18 m ? short circuit current isc 25 350 ma peak current ipk 25 2.2 a typical application vi 1 3 vo utc ci 0.33 f 1 2 3 cj7812 to-2 63-3l 1.in 2.gnd 3.out 1 of 2 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
0.0 0.3 0.6 0.9 1.2 1.5 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 0.0 0.5 1.0 1.5 2.0 2.5 6 7 8 9 10 11 12 13 14 15 0 5 10 15 20 25 30 35 0 1 2 3 4 5 912151821 6 8 10 12 14 0 25 50 75 100 125 150 0.0 0.5 1.0 1.5 2.0 -25 0 25 50 75 100 125 8 9 10 11 12 13 14 15 0 6 12 18 24 30 0 2 4 6 8 10 12 14 quiescent current vs output current v in =19v t j =25 quiescent current i q (ma) output current i o (a) current cut-off grid voltage output voltage v o (v) output current i o (a) v in =19v t j =25 quiescent current i q (ma) input voltage v in (v) quiescent current vs input voltage i o =0ma t j =25 i o =250ma 500ma 750ma 1a 1.5a i o =0ma t j =25 dropout characteristics output voltage v o (v) input voltage v in (v) power derating curve power dissipation p d (w) ambient temperature t j ( ) v in =19v i o =500ma pulsed output voltage vs ambient temperature output voltage v o (v) ambient temperature t a ( ) cj7812 i o =0ma t j =25 output voltage v o (v) input voltage v in (v) output characteristics 2 of 2 4008-318-123 sales@twtysemi.com http://www.twtysemi.com product specification
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