>Microchip really needs to improve their low voltage FET process
>(in general).

Zetex seem to have themselves well sorted for LV FETS.

For "Ultra Low dropout" LDO they have a 3.3V with 20mV dropout voltage, 
300mA current capability (ZLDO330). They also have 4.85V and 5V versions of 
it. Price quoted as $0.811/1k on their web page, which is around twice what 
someone else was quoting for an LDO, but I haven't compared the specs. These 
ones seem to have a high input voltage rating.

They also have "Micropower Low Dropout" regulators. ZXCL330 quotes 85mV and 
150mA with 25uA Iq. $0.301/1k. SC70-5 and SOT23-5 packages.

haven't used any of them though, so cannot comment on how well they work.

http://www.zetex.com/


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