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Original question:
[参考译文] TLV703：采用 TLV70333DBVR 进行设计
电源 VCC_RTC经3V纽扣电池与3.3V电源共同供电，未上电状态由纽扣电池供电，上电后由3.3V供电，之后VCC_RTC作为输入进入TLV70312，使能为1.2V，输出为VBAT1V2；
问题：未上电时VBAT1V2输出为1.2V，上电时VBAT1V2输出为2.6V，理论上不论上下电，都应该是VBAT1V2输出1.2V
您好，
是的，都应该输出1.2V.
您测试过其他板子吗？
两种情况下，VCC_RTC的电压是多少？
