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LMH14202H电源芯片负电压输出问题?



    大家好,我利用LMH14202H做负电源输出(电路见附件),VCC_IN=12V,C174、C175为空,LMH14202H输出负6V。

    目前遇到的问题是,电源片子工作一段时间过后,输出电压会降低到0V,然后立马又恢复到负6V。个人怀疑是电源片子的自关断功能的原因,但是不确定,大家帮

我分析分析,不甚感激啊!