Using the Tape & Reel (TR) package, this voltage regulator optimizes the performance of the voltage regulator 12v. There is a possibility that DC DC switching regulator can give voltage at 3.3V volts.
RP504L151D-TR Features
RP504L151D-TR Applications
There are a lot of RICOH Electronic Devices Co., LTD. RP504L151D-TR Voltage Regulators applications.