The voltage regulator is configured with 1 outputs. As you can see, this DC DC switching regulator generates Fixed output on its output pins. DC-DC switching regulator with 5 pins.
DU1P0-12S05 Features
1 outputs
DU1P0-12S05 Applications
There are a lot of Astrodyne TDI DU1P0-12S05 Voltage Regulators applications.