This power ic is packaged in a way that looks like a Tape & Reel (TR). Please refer to power management for SOT-23-5 functions. It is important to note that the power management also includes other IC types, such as POWER SUPPLY SUPPORT CIRCUIT.
RP300N28DC-TR-FE Features
RP300N28DC-TR-FE Applications
There are a lot of RICOH Electronic Devices Co., LTD. RP300N28DC-TR-FE Voltage Supervisors applications.