2008. 6. 24 1/5 semiconductor technical data KIA78R00PI bipolar linear integrated circuit revision no : 1 1a adjustable low drop voltage regulator the KIA78R00PI is a low drop voltage regulator suitable for various electronic equipments. the regulator has multi function such as over current protection, overheat protection. features adjustable output voltage (range : 1.5~30v) 1.0a output low drop voltage regulator. built in over current protection, over heat protection function. a f j l d m 12 34 1 2 3 4 input (v ) output (v ) gnd adjustable (adj.) in o dim millimeters to-220is-4 10.00 0.20 15.00 0.20 2.70 0.20 0.60 0.10 3.20 0.20 3.50 0.10 a b c d e f g 15.70 0.20 0.40 0.10 h 14.3+0.2/-0.1 1.45 0.10 1.00 0.10 2.54 4.50 0.20 7.5 0.1 1.50 0.10 j k l m n o p s r 8 5 b c e g h l v v u t k n o r s p + _ + _ + _ 1.30 0.1 3-1.00 0.1 1.30 0.1 t u v + _ + _ + _ + _ + _ + _ + _ + _ + _ + _ + _ + _ + _ maximum ratings (ta=25 ) characteristic symbol rating unit remark input voltage v in 35 v - output current i out 1 a - power dissipation 1 p d1 1.5 w no heatsink power dissipation 2 p d2 15 w infinite heatsink operating junction temperature t j(opr) -40~150 - storage temperature t stg -45 150 - soldering temperature (10sec) t sol 260 -
2008. 6. 24 2/5 KIA78R00PI revision no : 1 block diagram - + over heat protection aso protection bandgap reference output on/off control v out adj. v in gnd v c 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 1a - - 2.0 % line regulation reg line v in =11v~28v - - 2.5 % ripple rejection r 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 KIA78R00PI (to-220is-4) 1 v in 2 v out 3 gnd 4 adj 5 -
2008. 6. 24 3/5 KIA78R00PI 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 KIA78R00PI revision no : 1
2008. 6. 24 5/5 KIA78R00PI revision no : 1
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