Simple in-car PSU design?

Hello everyone.

I wonder if anybody could point me towards a simple multi-output PSU which
can be run from a cars' ~12 - 14v supply?
I intend to run three devices. A small digital video recorder which requires
5vDC @1A, a CMOS camera which requires 12vDC @1A, and another camera which
probably requires between 5vDC and 12vDC (don't have specs to hand).

I don't need any funny auto power-off switching like the in-car ATX computer
power supplies do, as I intend to leave the system running 24/7. I suspect
the actual current requirements are very small. The above ratings are simply
taken from the included a/c adapters. I could measure actual current usage
later, but suspect the camera to be more lik 200ma, and not much more for
the recorder.

Does anybody know of either a very simple schematic, or a finished product
which I could buy that would run these devices?

thanks very much,

Carl


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