A typical ATX PSU schematic using a TL494. Dianyuan.com forum [Public domain], via Wikimedia Commons. ATX power supplies follow a closely defined standard, so it should come as little surprise ...
Meanwhile, if you’re building a small form factor (SFF) PC, many SFF cases do still use full-size power supplies, but the smallest use the SFX standard. Again, check your PC case‘s specs to ...
When reaching for a power supply design it’s normal here in 2022 to reach for a switching design. They’re lightweight, very efficient, and often available off-the-shelf at reasonable prices.