ucc28600 VCC端加15v 不加反馈(光耦),fb端电压4.8v
ss端电压4.9v mosfet驱动0.99占空比输出,加220v电压烧保险
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ucc28600 VCC端加15v 不加反馈(光耦),fb端电压4.8v
ss端电压4.9v mosfet驱动0.99占空比输出,加220v电压烧保险