450w Atx Power Supply Schematic Pdf. I also constructed a very simple front panel with a thin piece of wood it s not pretty but it is functional. Atx power supply schematic with active pfc author.
Litepower series power supply pdf manual download. I used the existing threaded screw holes on the back of the atx supply and a couple of homemade brackets actually just flattened a couple of small angle brackets in my bench vise to mount the atx power supply to the base. This is because without load the output voltages produced will become very high and this will trigger the protection circuit to shut down the power.
Note that most schematics circulating on the internet depict old style psu with bipolar transistors and without pfc.
Control ic s are uc3842 3843. I also constructed a very simple front panel with a thin piece of wood it s not pretty but it is functional. This is because without load the output voltages produced will become very high and this will trigger the protection circuit to shut down the power. Atx values missing power efficiency electronic old at smps values missing.