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关于LM5117输出电压的问题》》》》》》

Other Parts Discussed in Thread: LM5117

 我用LM5117做的降压电源,输出电压接近输入电压了,检查高边MOS的驱动波形,  频率正常占空比稳定在95%左右了,但是,驱动电压被抬高6V左右,调节反馈的电阻输出电压不变.....求救啊