In this IC management you will find SOT-23 functions for you to refer to. Surface Mount is the one that mounts power management. The pins of the power management system count 5. A voltage (Vsup) that doesn't fall below 1V as the minimum supply voltage (Vsup) should be applied to this IC power in order to ensure its proper operation. The maximum supply voltage (Vsup) in this PMIC should not exceed 5.5V volts. It is also possible to use other types of IC, such as POWER SUPPLY SUPPORT CIRCUIT, in this supervisor.
MAX6419UK21+ Features
Minimum supply voltage of 1V
MAX6419UK21+ Applications
There are a lot of Maxim Integrated MAX6419UK21+ Voltage Supervisors applications.