请问TPS61500按照模拟调光方式连接,但是FB引脚没有外接LED,FB引脚只接了一个下拉电阻R3,这时候FB引脚的电压是多少?
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请问TPS61500按照模拟调光方式连接,但是FB引脚没有外接LED,FB引脚只接了一个下拉电阻R3,这时候FB引脚的电压是多少?