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need 12-24 volts to 5 volts 3A regulator circuit
Author naoge   Views 10   Posted at 2008/8/28 22:54  [View In Forum]
ASA to ALLpzoly
pzoly
pzoly
im working on micronontroller based circuit .... circuit will drive by car bettery 12V or 24V.... in case of using simple 7805 regulator it become hotter though i screw heat sink with that regulator. pls share me some idea to make some reliable regulator cicuit. wich remain cool upto 3 amps.pzoly
pzoly
pzoly
regards
      

Reply No. Replier Total Replies 13   [View All Replies]  [New Reply] Replied at
1 scuzt Try an National Semiconductor Simple Switcher. 2008/8/28 22:54
2 booksir Hi. You may use LM2576-5.0(or -ADJ). Look here:


\http://www.national.com/mpf/LM/LM2576.html





Best Regards.
2008/8/28 22:54
3 dongyea thx both of you pal..... i appriciate if some one give some idea using convetionel regulator ICs and transistors. 2008/8/28 22:54
4 z4120356 Try a Linear Technology step down switcher 2008/8/28 22:54
5 bubulu 2008/8/28 22:54
6 edu I have the circuit.


I can send you my circuit design.


Send me your e-mail. pls





2008/8/28 22:54
7 wy830115 hi tukul12....


im waiting for your mail
2008/8/28 22:54
8 ct731 don't sure about amps and volts, but maybe this will be useful The 2-transistor Black regulator


http://www.romanblack.com/smps/smps.htm
2008/8/28 22:54
9 knoxville Hi you can use PQ30RV31 is a nice and cheap LVD 3A 1.5 to 30 volts from SHARP . gogle it





regards
2008/8/28 22:54
10 btcdtc thx CapBlack .....


let me chk the local market this chip avilabelity... and cost.
2008/8/28 22:54
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