I had a need for a low wattage (~5W) ATX-style PSU that could be powered from USB, so I designed my own. Welcome, Wavicle! And nice work on the PSU!

-- Jeff

Thank you!

To expand on what several have mentioned re: wall warts, local regulation, and buck/boost - that is what I did with my PSU ...

I had a need for a low wattage (~5W) ATX-style PSU that could be powered from USB, so I designed my own. All the problems mentioned here - especially low quality "5V" from USB chargers - had to be dealt with and compensated for. In the end, I made something that produces +5VSB, +5V, +12V, -12V, and ...