12V to 5V 3.3V 3.7V 4.2V 6V 7.5V 9V dc dc converter power supply Voltage Converter Buck Step-down Module for Car

Product Description1. Input voltage: 8-20V2. Output voltage: 1V-9V adjustable minimum pressure 2V, step-down power supply input voltage must be higher than the output voltage of 2V or more to have output3. Working temperature: -40 to +85 degrees4. Operating Frequency: 300KHz5. Conversion efficiency: up to 92% (efficiency with input and output voltage, current, pressure related)6. The overcurrent protection function: over-current protection; over-temperature protection