Módulo Alimentação Ajustável DC-DC 1.5~30V-LM2596S-Máx. 3A

Input Voltage: 3V ~ 40V  The Output Voltage: 1.5V ~ 35V  Output Current: 3A( Max)  Conversion Efficiency: 92%( Highest )  Output Ripple: Switching Frequency: 150KHz  Working Temperature: -45? ~ +85?  Size: 43 * 21 * 14mm/1.69 * 0.83 * 0.55in ( Length*Width*Height )  Module properties: non-isolated step-down module  Warm notice: IN-( negative input ), IN + ( positive input ), OUT-( negative output ), OUT + ( positive output )  Make sure you pick the correct port, or it may cause damage to the module.  And this is a step-down module, the input voltage must higher than the output voltage