>I need to run a PIC16LC54 from a 6 volt power supply and need the lowest
>possible current drain.  With this part, current at 6V is about 5 times
>the drain at 3V.  Does anyone know of a voltage regulator with a 3v or
>so output and a quiescent current drain of only a few microamps?
>
>Bill

Try the ICL7663 (manufactors: MAXIM and HARRIS ). It is an
ajustable regulator in SO8 package. Quiescent current 3,5 microamps (typ).

Regards

Thomas