Found it...
   http://focus.ti.com/docs/prod/productfolder.jhtml?genericPartNumber=3D=
UA78M33

And Digikey has them for $0.56 each.

Cheers,
-Neil.



On Wednesday 30 July 2003 15:30, Picdude scribbled:
> Why not a UA78M33 which is about 50 cents in 1-pc quantities IIRC.  It =
puts
> out a clean 3.3V, and will handle several hundred mA.
>
> Cheers,
> -Neil.
>
> On Wednesday 30 July 2003 15:08, Clayton Mellina scribbled:
> > I need a design for regulating 9V down to around 3V with a zener (sim=
ple
> > - no bells and whistles).  the current capacity must be up to about
> > 100ma. attached is a schematic of my design (the parts may not be ide=
al -
> > but I designed with what I had).  My question is: will this design wo=
rk
> > for what I need? I wanted to use just a zener and a resistor but I've
> > read that this design will only supply up to 50ma (this might be ok b=
ut
> > better safe that sorry).  thanks for checking - I've never designed w=
ith
> > a zener before.
> >
> > -Clayton

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