There are 1 outputs configured on the voltage regulator. ICs such as this voltage regulator are capable of generating Fixed outputs through their output pins. The DC-DC switching regulator has 5 pins.
DUP75-12S05 Features
1 outputs
DUP75-12S05 Applications
There are a lot of Astrodyne TDI DUP75-12S05 Voltage Regulators applications.