On Tue, 28 May 2002 09:43:05 -0700, you wrote:

>Take a look at
>
>http://pdfserv.maxim-ic.com/arpdf/ICL7660-MAX1044.pdf
>
>Look also for other converters from Maxim and others.
..except he did say "cheap"... usually rules out Maxim...:-)
>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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