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Hello! I had recently build flyback SMPS based on UC3845 chip. It operates correctly - no noise, stable output voltage, full power capable (24V/100W). I have Just one problem: Transformer core (not windings) is heating up (too hot to keep my hand on it) even at power of 50W. operating freq...

Hello. I'm not sure if section correct, if not please tell me. Since my start with electronics ( I was 10 years old ) I used simply SMPS like LM2575 or so, to power microcontrollers or other stuff - these chips was simple, and resolving any problems took like minutes. Last year I wanted to...