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EMB1499Q: 开机后烧主Mosfet

Part Number: EMB1499Q


大家好!

我用EMB1499Q做了一个充电项目,之前用12V输入3V输出能正常工作。现在更改设计,用60V输入3V输出(变压器由1:1改为4:1),调试时总是烧主MOSfet。不知是什么原因?请大家指导。谢谢!