Nice one - thanks.

On 12/1/06, Justin Richards <justin.richards@gmail.com> wrote:
> Hi Zik,
>
> Roman Black (is he still here) has a low current 5v to 13.5v converter  here
>
> http://www.romanblack.com/smps/conv.htm
>
> It may be what you are after.
>
> Justin
>
> On 12/1/06, Zik Saleeba <zik@zikzak.net> wrote:
> > Thanks everyone - sounds like a switcher is the way to go.
> >
> > Cheers,
> > Zik
> >
> > On 12/1/06, Kenneth Lumia <klumia@adelphia.net> wrote:
> > > Zik,
> > >
> > > Depending on the current requirements, you may want to
> > > look at a boost switcher such as the LM2733Y.  It uses very
> > > few external parts and is small (SOT-23-5).  I used it in a
> > > 5v to 15V boost application and it works well.  You may
> > > want to carefully look at the curves and equations before
> > > using at 3.3v, especially concerning max load and efficiency.
> > >
> > > A voltage multiplier would probably have too many parts.
> > >
> > > If supply sequencing is not an issue and regulation is not critical,
> > > you could also PWM a PIC output pin to provide the voltage.
> > > This design is cheap if you have a free PWM pin and a few extra
> > > cycles to burn.
> > >
> > > Ken
> > > ____________________________
> > > ".... Do vector calculus just for fun"
> > > klumia@adelphia.net
> > >
> > >
> > > ----- Original Message -----
> > > From: "Zik Saleeba" <zik@zikzak.net>
> > > To: "Microcontroller discussion list - Public." <piclist@mit.edu>
> > > Sent: Thursday, November 30, 2006 1:55 AM
> > > Subject: [EE] LCD power supply
> > >
> > >
> > > > I'm working with an LCD display which requires a 15.3V - 19.3V LCD
> > > > supply voltage. I have 3.3V available. Is the standard way of doing
> > > > this to knock up a boost switcher or is there some more clever
> > > > approach I haven't thought of? A voltage multiplier maybe?
> > > >
> > > > Thanks,
> > > > Zik
> > > > --
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