On 27 Oct 2002 at 1:16, Russell McMahon wrote:

>
> I have a specific prospective application in mind for my own use (4v to 12v
> converter for FET gate drive) but this is only one of many possible
> applications. I also would like a low cost, compact, efficient white LED
> driver that provides essentially constant output and reliable starting over
> a full range of single cell voltages (<0.9V - > 1.5V)
>

Something like this could be a start:

http://www.emanator.demon.co.uk/bigclive/joule.htm

Marcelo

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