In this PMIC, you can find SOT-23 functions for your reference. Surface Mount mounts IC management. There are 6 pins on the power managment ic. There should be a minimum voltage supply (Vsup) of 1.6V for this PMIC. The maximum supply voltage (Vsup) in this PMIC should not exceed 5.5V volts. It is important to note that the power management also includes other IC types, such as POWER SUPPLY SUPPORT CIRCUIT.
MAX6437UT+ Features
Minimum supply voltage of 1.6V
MAX6437UT+ Applications
There are a lot of Maxim Integrated MAX6437UT+ Voltage Supervisors applications.