Tape & Reel (TR)-packaging is used. Please find attached SOT-23-5 functions for your reference in this IC power. There are a lot of similarities between this IC management and other Active products.
R3118N291C-TR-FE Features
Active type
R3118N291C-TR-FE Applications
There are a lot of RICOH Electronic Devices Co., LTD. R3118N291C-TR-FE Voltage Supervisors applications.