In the case of Tape & Reel (TR) cases, the regulater IC is delivered. This device has a regulator type called FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR, which means it operates on a DC voltage.
R1518S331F-E2-FE Features
R1518S331F-E2-FE Applications
There are a lot of RICOH Electronic Devices Co., LTD. R1518S331F-E2-FE Linear Voltage Regulators applications.