For your reference, this PMIC includes a list of MSOP functions. There are 10 pins on the supervisor. In order for this IC power to function, the supply voltage (Vsup) cannot be less than 4V. It is recommended that the maximum supply voltage (Vsup) in this IC power be no more than 80V volts.
LT4356IMS-1 Features
Minimum supply voltage of 4V
LT4356IMS-1 Applications
There are a lot of Analog Devices, Inc. LT4356IMS-1 Voltage Supervisors applications.