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bengaltiger
08-10-2012, 04:05 PM
Hi,

I have 12V , 2amps dc power input.

Now I want adjustable dc-dc step down power supply.

output 3-9v and current 50ma to 2a., with over limit indication led.

Can I get some circuit. or from where I can buy?

Regards,
BT

vikas
08-10-2012, 06:10 PM
You can use LM2576 ADJ

http://images.people.overclockers.ru/99014.jpg

We have used it for high current it works fine.

Other wise buy a bench top power supply.

http://www.rhydolabz.com/index.php?main_page=product_info&products_id=1098