Ray Gardiner wrote: > > You could use a LP2950 which will give you 100uA quiescent > and a series zener to drop the volts to below 30. > > If you need REALLY low quiescent current check the Seiko S-812XXPG series > 1.2uA to 3.2uA max, unfortunately Vin(max) is 16 Volts :-( > > Ray Gardiner ray@dsp.com.au Thought: use a "gold cap" or the like, with higher capacitance but same size footprint as your current capacitor, with an LDO regulator? If your LDO regulators don't like high voltage, feed them more capacitance on the input filter Mark