Here are 4 simple 12V power supply circuits with output voltages around 12V. First power supply circuit is built with BD139, one zener diode and a few passive components. Each of the schematic is very ...

The picoPSU-120 12V DC-DC ATX PSU isn't your typical PSU as the "120" implies. Nonetheless, this is an ingenious little device is rated at 120 Watts and can handle a max load of 140 watts to your ...