In total, there are 3 terminations on the gadget. There are 3 pins in total on this board. In this case, the regulator type is FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR, which corresponds to this voltage regulator IC.
SG7808T/883B Features
SG7808T/883B Applications
There are a lot of Microsemi SG7808T/883B Linear Voltage Regulators applications.