The package contains a Tape & Reel (TR) case. This gadget has 5 terminations on it, each with a different function. In total, there are 5 pins on this chip, which makes it a very large chip. This device is controlled by a FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR type regulator.
R1111N321B-TR-FE Features
R1111N321B-TR-FE Applications
There are a lot of RICOH Electronic Devices Co., LTD. R1111N321B-TR-FE Linear Voltage Regulators applications.