Try the MAXIM MAX 666. It is an adjustable low drop out
regulator with a low battery indicator output  (LBO).
The LBO is open drain, low for low battery, thus may
be shared with another function.

Thanks to those who posted the HOLTEK info for me.

Roger
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What is a JOWETT JUPITER ?
Are there really Jowett Nuts ?
rogerlstevens@juno.com
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