The PMIC chip has 5 terminations. The chip has a total of 5 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.
R1111N281B-TR-F Features
R1111N281B-TR-F Applications
There are a lot of RICOH Electronic Devices Co., LTD. R1111N281B-TR-F Linear Voltage Regulators applications.