In this case, DC DC switching regulator has 2 outputs configured to it. DC DC switching regulators like this one generate Fixed outputs on their output pins to handle the power management. It has a 6-pin voltage regulator dc to dc.
PXC-M03-48WD-15/PT Features
2 outputs
PXC-M03-48WD-15/PT Applications
There are a lot of TDK-Lambda PXC-M03-48WD-15/PT Voltage Regulators applications.