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LM5069: LM5069MM-2/NOPB

Part Number: LM5069

你好,

      以下问题请帮分析一下,谢谢!

输入50V

1、上图电路上电现象:芯片直接打火烧毁,烧Q8和Q10 MOS管
2、Q8和Q10,任意去掉一个MOS,上电输出正常
3、上图电路之前做过验证,之前的MOS型号用的CRSS082N15N,其他电路参数都一致,上电正常