Fast, Accurate Step-Down DC/DC Controller Converts 24V Directly to 1.8V at 2MHz | Analog Devices
DC to DC converters
DC to AC Inverter
power supply - How to obtain a little 120 VDC from 240 VAC? - Electrical Engineering Stack Exchange
Fast, Accurate Step-Down DC/DC Controller Converts 24V Directly to 1.8V at 2MHz | Analog Devices
Amazon.com: DROK Voltage Regulator DC 8-60V to 10-120V 15A Boost Converter, Constant Voltage Current Step Up Module Adjustable Output 48V 24V 12V DC Power Supply with LED Display : Electronics
24V to 12V 400W DC Inverter
12V to 120V DC DC Converter circuit
9 ways to build 24V power supply circuits with easy parts