The package contains a Tape & Reel (TR) case. This gadget has 4 terminations on it, each with a different function. 4 pins make up the sum of this IC voltage regulator. This device is controlled by a FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR type regulator.
RP109L291B-TR Features
RP109L291B-TR Applications
There are a lot of RICOH Electronic Devices Co., LTD. RP109L291B-TR Linear Voltage Regulators applications.