In total, there are 5 terminations on the gadget. There are 5 pins in total on this board. In this case, the regulator type is FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR, which corresponds to this voltage regulator IC. A system basis, this IC regulator can output 3.3V volts.
MC78BC33NTR Features
MC78BC33NTR Applications
There are a lot of ON Semiconductor MC78BC33NTR Linear Voltage Regulators applications.