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tps92692闪烁,输入电压7V-18V,输出36V1A, 当输入电压到9V的时候,灯就开始闪烁,IS上面的电阻是6个0.2Ω的并,频率电阻是20K,电感是22UH,附图如下,问题1)我的IS电阻对不对?2)为什么电压调到9V以下会闪烁?