There is an optimized performance in this voltage regulator because it utilizes the Tube package. 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.
RPP20-2415DW Features
2 outputs
RPP20-2415DW Applications
There are a lot of RECOM Power RPP20-2415DW Voltage Regulators applications.