Please refer to power management for SOT-23 functions. The mount is provided by Surface Mount. 5 pins make up the power management. There should be a minimum voltage supply (Vsup) of 1V for this PMIC. Voltage (Vsup) shouldn't exceed 5.5V volts in this PMIC. There are other types of IC included in the power managment ic, such as types POWER SUPPLY SUPPORT CIRCUIT.
MAX6413UK31+ Features
Minimum supply voltage of 1V
MAX6413UK31+ Applications
There are a lot of Maxim Integrated MAX6413UK31+ Voltage Supervisors applications.