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The UKHA-ARCHIVE IS CEASING OPERATIONS 31 DEC 2024


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Re: Via Epia - Sumicom



Simon McCartney wrote:

> What are you doing as far managing the 12v supply?  I've been looking at
> the National LM2588, but it needs a custom transformer (???)

Have a look at http://sproggy.mp3car.com/psu.html - it's a dc-dc psu
based on the similar LM2587 flyback regulator. This also requires a
transformer. Sources for the transformer and some of the peculiar
inductors and caps are given on the page. It also provides 5v and 3.3v
switched regulators, using a couple of maxim chips.

The LM2587 and MAX787 are both available from Farnell (7 quid each!) but
I can't find a source for the MAX788 anywhere, so I'm kinda reliant on
the free-samples blag coming through :-(

For other psu ideas, have a look at the forums on mp3car.com

cheers

ant
--

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