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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/892105/lm27313-q1-shdn-shutdown-resistor-requirements
您好！
是否始终需要使用50kOhm 电阻器上拉 SHDN 引脚？ 我有多大的自由度？
谢谢你
Christian
尊敬的 Christian：
必须使用上拉电阻器来连接输入电压(建议使用50kOhm 至100kohm)、或者必须主动将引脚驱动为高电平和低电平。 SHDN 引脚不得悬空。
