On 4/27/07, Gerhard Fiedler <lists@connectionbrazil.com> wrote:
> Martin Klingensmith wrote:
>
> > You can make a very simple flyback converter that can have several
> > isolated outputs and run from 5 or 12v. It would be much cheaper than
> > 4 separate converters.
>
> I didn't think of this because I don't like custom transformers :)

I think you can get ready-made transformers. An auxilary flyback converter
is a good suggestion for your application.

> I think in small quantities (currently anticipated are batches of 20) they
> are not "friendly" -- but I've never been there, done that.
>
> How do you get/make the transformer for something like this in those
> circumstances? (Hand-winding is not an option, I guess :)
>

I think hand-winding is a good option for very small quantity.
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