Mini DC-DC 12-24V to 5V 3A Step-down Converter Module Board Voltage for Buck Power Supply Description: Mini DC-DC 12-24V To 5V 3A Step-down Converter Power Supply Module Voltage for Buck Converter Adjustable Efficiency 97.5% Feature: Input Voltage: for DC 4.5-24V Output Voltage: integration adjustable and fixed output, the back can select fixed output voltage Adjustable Range: 0.8-17V, fixed voltage (1.8V 2.5V 3.3V 5V 9V 12V) Output Current: 3A (max), actual testing input 12V output 1.5A Conversion Efficiency: 97.5% (max) (6.5 to 5V 0.7A) Switching Frequency: 500KHz Output Ripple Wave: 20mV (12V to 5V 3A) 20m bandwidth Operating Voltage: -40 Celsius-85 Celsius Output Overvoltage Protection: No Static Current: 0.85MA Load Regulation Rate: ±1% Voltage Regulation Rate: ±0.5% Dynamic Response Speed: 5% 200uS Output Short Circuit Protection: Yes Input Transposition Protection: No Enable Control: Yes Connection Type: Soldering Input Method: Soldering Output Method: Soldering/Pin Solder Hole Spacing: 2.54mm Package Includes: 1 x Mini DC-DC 12-24V To 5V 3A Adjustable Step-down Converter Power Module for Buck Converter