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Today I tested and reverse engineered a 24V 4A 100W switching power supply module (XK-2412-DC) for LEDs or any other purpose. It also comes in 12V 8A version. This power supply works well an seems good, but I'm able to find some flaws in any device :). I have drawn a full schematic of it and explained how does it work. It's a flyback power supply with a MOSFET, CR6841S control chip, an optocoupler and a 431 voltage reference.
This switching power supply was donated to me by a kind viewer "Siana Gearz", so big thanks to you ;).
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