It is packaged with Tape & Reel (TR). Please find attached SOT-23-5 functions for your reference in this IC power. There are a number of benefits that this PMIC has in common with other Active manage ics.
RP300N28AA-TR-FE Features
Active type
RP300N28AA-TR-FE Applications
There are a lot of RICOH Electronic Devices Co., LTD. RP300N28AA-TR-FE Voltage Supervisors applications.