<ul><li>Voltage Input voltage is 4.0V - 40V,output voltage:1.25V-37V;output current is 2A (normal and stable) and 3A max;</li><li>Easy to UseWith terminal block, convenient to use, and retain the wire bond point.</li><li>Feature150KHz internal oscillation frequency, low power consumption. With overheat protection and short circuit protection.</li><li>UsageUsed in fields where input voltage is higher than step-down output voltage like batteries.</li><li>NOTEInput and output connectors cannot be reversed. The input voltage should be higher than the output voltage.</li></ul> Specification: - Model: LM2596 - Input voltage: DC 4V 40V - Output voltage: DC 1.5V - 35V (adjustable) - Output current: 3A max - Conversion efficiency: 92% (max) - Switching frequency: 150KHz Operating temperature: -45 to +85 Dimensions (LxWxH): 57mmX36mmX13mm NOTE: When power exceeds 15W,add heat sink; If the module output voltage cannot be adjusted,turn the potentiometer counterclockwise for OVER 10 turns, then use the module to adjust the voltage. Package includes: 3PCS LM2596S Buck Converter

Diitao 3pcs LM2596 LM2596S Buck Converter DC-DC 4-40V to 1.25-37V 2A Reduced Voltage Regulator Power Modules Adjustable Board Step Down Module with LED Display