As you can see, the IC chip has 3 terminations. This chip has a total of 3 pins, which are arranged in a rectangular shape. It is important to note that this device has a FIXED NEGATIVE SINGLE OUTPUT STANDARD REGULATOR regulator type.
OM1905NMM Features
OM1905NMM Applications
There are a lot of International Rectifier OM1905NMM Linear Voltage Regulators applications.