In the case of Tape & Reel (TR) cases, the regulater IC is delivered. The PMIC chip has 5 terminations. The sum of the pins in this unit is 5. This device has a regulator type called FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR, which means it operates on a DC voltage.
RP173N331A-TR-FE Features
RP173N331A-TR-FE Applications
There are a lot of RICOH Electronic Devices Co., LTD. RP173N331A-TR-FE Linear Voltage Regulators applications.