5pcs LM2596S Constant Current Led Driver DC-DC 3A Adjustable 7V-35V Step-Down CC/CV Power Supply Module LM2596S-ADJ Constant Current Voltage Regulator

5pcs LM2596 Constant Current Led Driver DC-DC 3A Adjustable 7V-35V Step-down CC/CV Power Supply Module LM2596 Constant Current Voltage Regulator | Input voltage: 7V-35V | Output voltage: 1.25V-30V | Output current: adjustable maximum 3A | Conversion efficiency: 92% (the highest) | Switching frequency: 150KHz