Georg Hager wrote:
>
> Hi all!
>
> Does anyoune know of a voltage regulator that does not swallow a
> couple of
> mA even with no load? I'm using a 78L05 right now, but even when my
> circuit (PIC + some external stuff) is in standby mode with just some
> uA
> of supply current, the battery (9V block) must deliver about 2mA to
> the
> L05, just to keep it running. This is unacceptable as I want to let
> the
> thing run all the time. And yes, I *need* the 9V (4*1.5 is not an
> option)
> ;-).
>
> Any help would be appreciated.
> Georg.
use the National LM2931Z-5.0 (Digi-Key). Has uA standby and low (<0.7)
volt dropout...
  -Dave Miga, Electronic Design Specialists http://www.eds-inc.com