Adjustable LM2596 DC-DC step-down module (kis-3r33 transformation)

Output Voltage Range: 0.93V-18V (buck mode, enter at least greater than the output 2V above) Output Current: 2.5A Output Peak 4A continuous output! Switch: with Soft-off feature! Shutdown current low microampere level! Size: 45mm * 32mm * 1.6mm Item: YS-TB Technical Description: Using synchronous rectification technology! High efficiency up to 98%! Measured efficiency: 12V switch 5V: 12V switch 5V Efficiency = (5V * 1.001A) / (12V * 0.431) = 96.7%