Help needed in DC-DC converter

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Abhishekabs

Joined: 12 Jan 2007
Posts: 727
Helped: 84
Location: India

24 Sep 2009 6:08 Help needed in DC-DC converter

Hello Friends,
I am new in this field of designing DC-DC converter.
I want to make DC to DC converter with following specs.

Output current 20 A
Input Voltage varies from 12 to 35 V
Output Voltage 13 V DC

Also I need good EMC performance.

Can any body suggest me good solution?
How should I go further? Which DC-DC converter IC should I use?
Which FET should I use?

Please help me out

Thanks

willi65

Joined: 18 Sep 2009
Posts: 36
Location: Asia - Europe - Germany

05 Oct 2009 19:43 Re: Help needed in DC-DC converter

Hi..

i think the best are an push pull converter..u can use the SG3524..the EMC good..

blah1

Joined: 20 May 2008
Posts: 10

07 Oct 2009 11:04 Help needed in DC-DC converter

Your input voltage varies wildly, so you'll need a good control solution. I suggest having a look at UCC38C4x series of controllers from TI. Seach their website for that part and read the application note. It should get you started.
HTH
-Igs

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Jammers

Joined: 18 Sep 2009
Posts: 6
Location: India

09 Oct 2009 12:28 Re: Help needed in DC-DC converter

Hello........

i hope these links may be of great help to you, i had them in my favourites:

http://productsearch.machinedesign.com/mdproducts/dc_dc_converter

http://en.wikipedia.org/wiki/DC_to_DC_converter

http://www.powerdesignindia.co.in

To meet your exact requirements, please visit:

http://www.shoghi.co.in/Power_Products.html

Just go through them pls......

bye......