Simple yet safe 5V switching power supply (with schematic and description)

alavy110
منتشر شده در 30 فروردین 1397

I'm reverse engineering the schematic of a very simple 5V switching power supply (probably a phone charger) and describing how does it work. It's a super simple single transistor design, but it has a proper fusible resistor, EMI filter and a very good isolation, so it looks safe and compliant.


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