I am looking at the feasability of running my circuit from 2 high capacity
coin cells in series for a total output at full charge of 6V.  I need to get
this down to <= 5.5V for the well being of the PIC and other ICs in my
circuit.  The circuit sleeps most of the time consuming uA current.  If I
use a regulator with (for instance) 50uA quiescent current and my circuit is
drawing 30uA, does the battery have to supply 50uA or (50 + 30) = 80uA?  In
other words is quiescent current a minimum draw or a constant amount that is
wasted?

Thanks,
James Nick Sears

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