In this PMIC, you can find SOT-143 functions for your reference. The mount is attached to Surface Mount. 4 pins make up the power management. It is recommended that the minimum supply voltage (Vsup) for this IC management should not be less than 1V volts. It is recommended that the maximum supply voltage (Vsup) in this IC power be no more than 5.5V volts. There are other types of IC included in the power managment ic, such as types POWER SUPPLY SUPPORT CIRCUIT.
MAX6422US23+ Features
Minimum supply voltage of 1V
MAX6422US23+ Applications
There are a lot of Maxim Integrated MAX6422US23+ Voltage Supervisors applications.