我想用ST单片机 3.3V电压,IO连接LM2675M的ON/OFF引脚,ON/OFF引脚接一个下拉电阻到地,请问这个电阻阻值推荐多少?
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我想用ST单片机 3.3V电压,IO连接LM2675M的ON/OFF引脚,ON/OFF引脚接一个下拉电阻到地,请问这个电阻阻值推荐多少?