Richard Prosser wrote:
> Also a LDO 3V3 linear reg for about 40mA current drain. Input Voltage
> is about 4.5V. Again - small cheap & available.

I'm using Microchip MCP1702 lately.  Typical quiescent current of 2 uA, 
around $0.40.
-- 
Timothy J. Weber
http://timothyweber.org
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