3 c0 0.1 f absolute maximum ratings (operating temperat ure range applies unless otherwise specified) paramete r symbol value unit input voltage v l 35 v operating junction temperature range t opr 0-+125 storage temperature range t stg -55-+150 electrical characteristics at specified virtual jinction temperature (v i =19v, io=40ma, c i =0.33 f, c o = 0 . 1 f, unless otherwise specified ) parameter symbol test conditions min typ max unit 25 11.5 12 12.5 v 14v v l 27v, io=1ma-40ma 11.4 12 12.6 v output voltage vo io=1ma-70ma 0-125 11.4 12 12.6 v io=1ma-100ma 25 22 100 mv load regulation vo io=1ma-40ma 25 13 50 mv 14.5v v l 27v 25 55 250 mv line regulation vo 16v v l 27v 25 49 200 mv quiescent current iq 25 4.3 6.5 ma iq 16v v l 27v 0-125 1.5 ma quiescent current change iq 1ma i o 40ma 0-125 0.1 ma output noise voitage v n 10hz f 100khz 25 70 uv ripple rejection rr 15v v l 25v,f=120hz 0-125 37 42 db dropout voltage vd 25 1.7 v typical application vi 2 1 vo ci 0.33 f note : bypass capacitors are recommended for optimum stability and transient response and should be located as close as possible to the regulators. LM78L12 three-terminal positive voltage regulator maximum output current i o: 0.1 a output voltage v o : 12 v continuous total dissipation p d : sot-23-3l 0.35 w (t a = 25 ) sot-89 0.5 w (t a = 25 ) LM78L12 1. out 2. in 3. gnd 1 3 2 sot-89 sot-23-3l
typical characteristics LM78L12 2 date:2011/05 www.htsemi.com semiconductor jinyu
|