LM2596 DC-DC Adjustable Power Step-down Module Size: Approx. 4.2 x 2 x 1cm Full load Temperature rise: 40 Load Regulation: 0.5% Voltage Regulation: 0.5% Dynamic Response speed: 5% 200uS Input voltage:4.5-40V Output voltage:1.5-35V(Adjustable) Output current: Rated current is 2A,maximum 3A (Additional heat sink is required) Conversion Efficiency: Up to 92% (output voltage higher, the higher the efficiency) Switching Frequency: 150KHz Rectifier: Non-Synchronous Rectification Module Properties: Non-isolated step-down module (buck) Short Circuit Protection: Current limiting, since the recovery Operating Temperature: Industrial grade (-40 to +85 ) (output power 10W or less) Made in China