LM2596HV Voltage Regulator Step-Down Buck Converter 4.5-45V to 3-35V Adjustab-UK
LM2596HV AC/DC to DC Buck Step Down Converter Module 5V-45V to 3.3 -33V Adjustable. DC 5V - 45V. The external heat sink can withstand high current operation. which is commonly used for AC and DC input.