1/ 7 1a low dropout voltage regulator with on/off control kia78rxx descriptions the kia78rxx is a low drop voltage regulator suitable for various electronic equipment. the output current is up to 1.0a and dropout voltage is 0.5v typ. at io=1.0a. this regulator has various function such as peak current protection, thermal shut down, over voltage protection and output disable function. the kia78rxx i s a v a i l a b l e i n to - 2 5 2 - 5 l to-220f-4 power package. features z 1.0a output low drop voltage regulator. z built in on/off control terminal. z built in over current protection, over heat protection function. block diagram tiger electronic co.,ltd
kia78rxx 2/7 pin configuration ordering information absolute maximum ratings (ta=25 c) characteristic value unit input voltage 35 v on/off control volatge 35 v package marking output voltage package type kia78r25 fxx 2.5v to-252-5l kia78r33 fxx 3.3 v to-252-5l KIA78R05 fxx 5.0v to-252-5l kia78r06 fxx 6.0v to-252-5l kia78r08 fxx 8.0v to-252-5l kia78r09 fxx 9.0 v to-252-5l kia78r10 fxx 10.0v to-252-5l kia78r12 fxx 12.0v to-252-5l kia78r15 fxx 15.0v to-252-5l kia78r25api 2.5v to-220f-4 kia78r33api 3.3 v to-220f-4 KIA78R05api 5.0v to-220f-4 kia78r06api 6.0v to-220f-4 kia78r08api 8.0v to-220f-4 kia78r09api 9.0 v to-220f-4 kia78r10api 10.0v to-220f-4 kia78r12api 12.0v to-220f-4 kia78r15api 15.0v to-220f-4 pin function 1. vin 2. gnd 3. vout 4. nc 5. on/off control
kia78rxx 3/7 output current 1 a power dissipation 1 (no heatsink) 1.5 w to-252-5l 10 power dissipation 2 (with heatsink) to-220f-4 15 w junction temperature 125 c operating temperature -20 80 c storage temperature -30 125 c soldering temperature (10sec) 260 c electrical characteristics (unless otherwise specified: io=0.5a,ta=25 c) characteristics symbol test conditions min typ max unit output voltage vout note1 -2%vo 2%vo v load regulation rload io=5ma 2a 0.1 2.0 % line regulation rline note2 0.5 2.5 % temperature coefficient of output voltage tcvo tj=0 125 c 0.02 0.05 %/ ripple rejection r.r 45 55 db drop out voltage v d io=1a,note3 0.5 v output on state for control voltage v c(on) 2.0 v output on state for control current i c(on) vc=2.7v 20 a output off state for control voltage v c (off) 0.8 v output off state for control current i c(off) vc=0.4vo -0.4 ma quiescent current i q note1,io=0 10 ma note:
kia78rxx 4/7 test circuit standard test circuit ripple rejection test circuit note1 note2 note3 kia78r 25 vin=4.5v vin=3.5~9.5v kia78r33 vin=5.0v vin=4.3~10.3v kia78r 05 vin=7.0v vin=6~12v kia78r 06 vin=8.0v vin=7~15v kia78r 08 vin=10v vin=9~25v kia78r 09 vin=15v vin=10~25v kia78r 10 vin=16v vin=11~26v kia78r 12 vin=18v vin=13~29v kia78r15 vin=21v vin=16~32v vout=0.95vo
kia78rxx 5/7 application circuit to-252-5l
kia78rxx 6/7 outline drawing to220f-4l
kia78rxx 7/7
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