On Fri, 15 Aug 2003, Picdude wrote:
> So let me understand this clearly... you only have a 15Vdc source now, and
> need 12V and 24V from it?  I'll assume <= 1A since you're mentioning 7812's,
> which *usually* are good to about 1A
>
Yep.


> Go to National.com, then search for the LM2588, and follow the Webench links,
> where it will design the circuit for you online, and specify all the parts.
>
That's a good tool. It didn't work when I tried it, but I'll definately
bookmark it for the future. I'll bet it's a bit biased though :)

I looked up the data sheet for the lm2588 and it's typical circuit seems
to suggest it needs a transformer for the output? That's pushing the
circuit a little bit bigger than I was hoping for. I definately don't have
one of those in my drawer.

Cheers,

Tim

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