[sdiy] Power Supply ???

[Joe Kramer]

Dear Tim,
    All the regulators are supposed to be able to handle 40v max at the
input, but I was thinking of using something around 20v from the
transformer for the whole thing.  Is that what you mean?  Would this
still be an issue?

Regards,
Joe

Tim Ressel wrote:

> Joe,
>
> The issue I see here is the amount of power the 5V
> regs will be dissipating. This has to do with the
> amount of voltage drop they will be providing. Perhaps
> a second transformer for the +/-5V side?
>
> --tim
>
> --- Joe Kramer <musetrap at earthlink.net> wrote:
> > Dear Friends,
> >     I'm building a supply for six Paia 4700 modules.
> >  I need +18v, +/-9v, and
> > +/-5v.  I have all the necessary three-terminal
> > regulators, but my question is
> > this: given a hefty enough transformer, can I just
> > hang the regulators in
> > parallel off  the full wave bridge and filter caps,
> > or will this put to much
> > strain on them?  I'm sure all six modules will come
> > in way under an amp of
> > current consumption.  Any design advice appreciated.
> >
> > Regards,
> > Joe Kramer
> >
> >
>
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