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12v to 24v dc to dc converter at 20A max. output ?

B

booth multiplier

Jan 1, 1970
0
Dear All,
I have to design a 12v to 24v dc to dc converter, 20A max at output.
I guess a simple boost converter would not be enough for high power.
Can you refer some specific designs methods?
Thanks
 
R

Rene Tschaggelar

Jan 1, 1970
0
booth said:
Dear All,
I have to design a 12v to 24v dc to dc converter, 20A max at output.
I guess a simple boost converter would not be enough for high power.
Can you refer some specific designs methods?
Thanks


Consider a transformer one.

Rene
 
C

CFoley1064

Jan 1, 1970
0
Subject: 12v to 24v dc to dc converter at 20A max. output ?
From: [email protected] (booth multiplier)
Date: 9/20/2004 9:24 AM Central Daylight Time
Message-id: <[email protected]>

Dear All,
I have to design a 12v to 24v dc to dc converter, 20A max at output.
I guess a simple boost converter would not be enough for high power.
Can you refer some specific designs methods?
Thanks

Here's a tutorial on the types of DC-DC converters:

http://www.powerdesigners.com/InfoWeb/design_center/articles/DC-DC/convert
er.shtm

If this is for an automotive stereo application, I'd recommend the design
method of purchasing the correct part. You might want to look at commercially
available DC-DC converters which are made for the application. Try:

http://www.powerstream.com/dc24.htm

They offer a PST-DU700-24 DC to DC Converter which gives 29 Amps peak (1 to 5
minutes), and 12 Amps/276 Watts continuous. The cost is $125.00 USD plus
shipping. I don't think you'll beat that with a home-brew switcher, and you
might have somewhat improved reliability.

Good luck
Chris
 
G

Genome

Jan 1, 1970
0
booth multiplier said:
Dear All,
I have to design a 12v to 24v dc to dc converter, 20A max at output.
I guess a simple boost converter would not be enough for high power.
Can you refer some specific designs methods?
Thanks

I'd have no problems with a boost converter. Interleave two at 50% duty and
you'll do nice things to the input/output ripple currents

DNA
 
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