XL4015 Step-Down Adjustable Power-Supply Module 4-38V 5A High Conversion Efficiency Low Ripple Adjustable Automatic Converter

Features:
Input range: 4V to 38VDC
Output range: 1.25V to 36VDC adjustable
Output current: 0~5A (4.5A is recommended)
Output power: 75W with heatsink installed
Operating Temperature: -40℃ ~ +85℃
Switching frequency: 180KHz
Conversion efficiency: up to 96%
Built in thermal shutdown function
Built in current limit function
Built in output short protection function
Input reverse polarity protection: none (if required, high current diode in series with the input).
High efficiency, low ripple and nice line and load regulation.