2008. 6. 24 1/5 semiconductor technical data kia78r00f bipolar linear integrated circuit revision no : 1 1a adjustable low drop voltage regulator the kia78r00f is a low drop voltage regulator suitable for various electronic equipments. the regulator has multi function such as over current protection, overheat protection. features h adjustable output voltage (range : 1.5~30v) h 1.0a output low drop voltage regulator. h built in over current protection, over heat protection function. maximum ratings (ta=25 ? ) characteristic symbol rating unit remark input voltage v in 35 v - output current i out 1a- power dissipation 1 p d1 1.3 w no heatsink power dissipation 2 p d2 13 w infinite heatsink junction temperature t j 150 ? - operating temperature t opr -20~80 ? - storage temperature t stg -30~150 ? - soldering temperature (10sec) t sol 260 ? -
2008. 6. 24 2/5 kia78r00f revision no : 1 block diagram electrical characteristics (unless otherwise specified, v in =15v, v o =10v, i o =0.5a, r 1 =390 ? (note1 : v in =0.95v out )) characteristic symbol conditions min. typ. max. unit input voltage v in - 4.5 - 35 v output voltage v o r 2 =84 ? to 8.7k ? 1.5 - 30 v load regulation reg load i o =5ma q 1a - - 2.0 % line regulation reg line v in =11v~28v - - 2.5 % ripple rejection r h r c ref =0 refer to fig.2 45 55 - db c ref =3.3 f 55 65 - reference voltage v ref - 1.26 1.29 1.32 v temperature cofficient of reference voltage t c v ref t j =0~125 ? - ? 1.0 -% dropout voltage v d i o =1.0a (note1) - - 0.5 v quiescent current i q i o =0a - - 10 ma item pin no kia78r00f (dpak-5) 1 v in 2 v c 3 v out 4 adj 5gnd
2008. 6. 24 3/5 kia78r00f revision no : 1 c in : more than 0.33 f required if regulator is located an appreciable distance from power supply filter. you must use to prevent from the parasitic oscillation. c out : more than 47 f. you must use the low-impedance-type(low esr) capacitor.
2008. 6. 24 4/5 kia78r00f revision no : 1
2008. 6. 24 5/5 kia78r00f revision no : 1
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