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PFC demo 程序先设占空比，（程序已经RUN，PFCDuty已设定）然后再开强电，会不会造成MOSFET短路？
请参考您购买的TI的PFC EVM的 QSG(Quick Start Guide)或者User Guide的上电顺序货操作流程进行设置，特别是跳线的设置。
