The R&S NGL200 power supply series is perfect to power your Raspberry Pi.
20-Bit, 40 MSPS, Differential SAR ADC
3V to 80V, 3A, High-Efficiency, Synchronous Step-Down DC-DC Converter
Dual Input GMSL2TM Serializer
IO-Link Data Link Controller with Transceiver and Integrated DC-DC
A selection of Power articles for further reading