Take a look at

http://pdfserv.maxim-ic.com/arpdf/ICL7660-MAX1044.pdf

Look also for other converters from Maxim and others.

As for the PIC, the low voltage types (e.g. 16LF84) can go down up to 2V.

Tal

> -----Original Message-----
> From: pic microcontroller discussion list
> [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of GB
> Sent: Tuesday, May 28, 2002 7:30 AM
> To: PICLIST@MITVMA.MIT.EDU
> Subject: Powering PIC from a AA type battery, help?
>
>
> Has anyone designed a simple, cheap circuit, that boosts a 1.5V
> battery to at least 3V to run a PIC, ideally it should not use
> much current in the conversion < 200ua?.
>
> Any ideas anyone, I have seen circuits that can power 3.6V LED's
> but I suspect they may not be suitable as they are pulsed?
>
>
> Thanks Gary
>
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