Power Supplies

citadel technology, inc. -- dc to dc computer powe
Up to 350W PSUs with DC input
current solutions
dc to dc converter for atx power supply
Another supplier of DC-DC ATX power supplies
dc-dc converter tutorial
dc-dc psu
Another DC-DC ATX PSU supplier
dc-dc psu
Yet another DC-DC PSU--and you thought they were hard to find
kepco
Power supply information storehouse
kepco inc: real/apparent power and power factor
Power factor explained, with some possibly helpful diagrams.
opus solutions, inc.- vehicle computers 12v dc-dc
opus solutions, inc.- vehicle computers 12v dc-dc
Power supplies and equipment for vehicle PCs--DC-DC ATX PSUs
power supply cookbook
ps/2 (standard size) dc power supply
Several DC input PSUs offered here, including +48VDC and -48VDC input.
psu design
Good switch mode power supply design info
psu design
Power supply design from an audio amplifier perspective
psu info
Power supply resource page from National Semiconductor
sproggy
DIY DC-DC ATX PSU