This power ic is packaged in a way that looks like a Tape & Reel (TR). There are a lot of similarities between this IC power and other Active products.
R3112Q291C-TR-FE Features
Active type
R3112Q291C-TR-FE Applications
There are a lot of RICOH Electronic Devices Co., LTD. R3112Q291C-TR-FE Voltage Supervisors applications.