To assist you, this PMIC includes DFN EP functions. Power managment ic pin count is 12. IC management can only work with a supply voltage of 2.7V volts. It is recommended that the maximum supply voltage (Vsup) in this IC power be no more than 27V volts. There is a supply current of 14μA for the power management.
LTC2953IDD-2#PBF Features
Minimum supply voltage of 2.7V 14μA operating supply current
LTC2953IDD-2#PBF Applications
There are a lot of Analog Devices, Inc. LTC2953IDD-2#PBF Voltage Supervisors applications.