I made a simple SMPS with IR2153 before the Transformer EI33 more advanced and powerful but this practice was used transformer (ETD34) you have to wrap transformer circuits, I applied my computer was disconnected from the power supply circuit... Electronics Projects, Symmetric Output Audio Amp SMPS Circuit with IR2153 ETD34 "power electronic projects, smps circuits, smps projects, smps schematic, " Date 2019/08/01