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TPS61071: TPS61071增加前馈电容后,空载电流增大到64mA

Part Number: TPS61071

您好!

    我们在使用TPS61071时,为了调整电路性能,尝试在反馈电阻R7上并联前馈电容C7,但原来没有C7时空载电流仅2mA,增加C7后空载电流增加到64mA(输出电压略有增加,从4.7V上升到4.95V)请帮忙分析一下原因及如何改善,谢谢