On Mon, 22 Jun 1998, Lewis H. Cobb wrote:

> Hey! Something that I can contribute to on this list!  I've been asking
> questions up to now but this is something I can pass along some information
> on - :)
>
> Try the LM2936Z-5.0  It's a TO-92 - same pin-out as the L05 but only sips
> about  15uA quiescent current - I'm using them in a 9V thing I'm building
> and they work fine, with two slight downside issues -
>
> 1) They are about 3-5 times more expensive than the 'L05  I have seen them
> at up to 3 bucks a pop.
>

Can't you use a tantalum or ultra-small electrolytic?

> 2) They require a 10uF cap on the output to prevent oscillations - I've got
> this "rank" looking electrolytic - it's bigger than the regulator!
>
> Hope this helps.
>
> Lewis
>
>

> At 01:05 PM 6/22/98 +0200, you 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.
> >
> >
>


Sean