LM2596HVS DC-DC step-down module
Input Voltage:4.5V ~ 60
Output Voltage:3V ~ 40V
Output Current:3A (max)
Conversion efficiency:92% (the highest)
Operating Temperature:-45 ℃ ~ +85 ℃
Size:43mm * 21mm * 14mm (L * W * H)
IN-IN + input Positive Input Negative!
Positive output OUT + OUT-output negative
Input voltage range: DC 4.5V to 60V (input voltage must be greater than the output voltage to 1.5V or more high. Could not boost)
Output voltage range: DC 3V to 40V voltage is continuously adjustable, high efficiency (up to 92%) the maximum output current of 3A.