Running PCs on 12v

From: Tony Duell <ard_at_p850ug1.demon.co.uk>
Date: Sun May 18 17:01:00 2003

> +AD4- the data sheet of many 3 terminal
> +AD4- regulators shows how...
>
> FWIW all the 7085's (and 7905's, whatever they

The 7905 is the -ve version -- the +ve rail is the common ground between
input and output (with the 7805 it's the -ve rail that's common). Be
warned that the pinout is different between the 7805 and 7905...

> are) that I get came w/o datasheets.

So do mine -- I use plenty of 7805s, but I only need one data sheet :-).
I bought the National Semiconductor power devices databook, which
includes this datasheet. I suspect you can also get the datasheet as a
.pdf file on the web somewhere.

-tony
Received on Sun May 18 2003 - 17:01:00 BST