Please find attached SOT-23 functions for your reference in this IC power. By Surface Mount, IC management has been mounted. This power management system has 5 pins. Supply voltage (Vsup) should be at least 1V for this power management. In this PMIC, the maximum supply voltage (Vsup) should not exceed 5.5V volts. It also contains ICs of other kinds, such as POWER SUPPLY SUPPORT CIRCUIT, which are included in the power management.
MAX6420UK45+ Features
Minimum supply voltage of 1V
MAX6420UK45+ Applications
There are a lot of Maxim Integrated MAX6420UK45+ Voltage Supervisors applications.