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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/806376/tps53355-tps53355-the-output-voltage-will-boost-to-2-2v-when-the-dut-power-off
当 DUT 断电时、输出电压将升至2.2V；VIN 和 VDD 稳定3.9V；引脚 EN 的电压为1.2V；当 SW 动作时、输出电压将升压；
请参阅随附 图片和原理图中的详细信息；
e2e.ti.com/.../P06_5F00_Power_5F00_VCC3V3.pdf
我已！PU 和 PD 电阻器并将 EN 电压从3V 改为2.5V，然后在断电时解决问题，谢谢
图片和原理图中的详细信息； 
