In the case of Tape & Reel (TR) cases, the regulater IC is delivered. The PMIC chip has 4 terminations. The chip has a total of 4 pins on it, each with its own function. This device has a regulator type called FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR, which means it operates on a DC voltage.
RP112K291B-TR Features
RP112K291B-TR Applications
There are a lot of RICOH Electronic Devices Co., LTD. RP112K291B-TR Linear Voltage Regulators applications.