On the Linear IC itself, there are 4 terminations. There are a total of 4 pins on this board. There is one type of regulator for this device, which is FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR. The IC regulator can generally output 1.9V volts on a system basis.
RQ5RW19BA-TR-F Features
RQ5RW19BA-TR-F Applications
There are a lot of RICOH Electronic Devices Co., LTD. RQ5RW19BA-TR-F Linear Voltage Regulators applications.