Features 1.5~32V WORKING VOLTAGE: Wide input voltage is 3V~32V(the boost below 5V works normally, but the digital tube does not work), the working voltage range is 5~32V 2.SMALL CAPACITY FILTER CAPACITOR WITH SMALL RIPPLE: The high switching frequency is 400KHz, and a small capacity filter capacitor can be used to achieve good results, with small ripple and small size(LM2577 frequency is only 50КНZ) 3.EASILY TURN OFF VOLTMETER: The voltmeter can be turned off, and can be easily achieved by pressing the left button when the display is not needed 4.WITH SOLDERING CONNECTION POINTS: With terminal blocks, easy to use without a soldering iron, and the soldering wire connection points are preserved 5.NON ISOLATED AND ASYNCHRONOUS RECTIFICATION: The nature of the module is non isolated boost, and the rectification method is asynchronous rectification Specification Item Type: DC to DC Boost Module Material: PCB Operating Voltage Range: 5~32V Module Nature: Non isolated boost Rectification Method: Asynchronous rectification Input Current: 4A, no load 18MA (5V input, 8V output, no load less than 18MA, the higher the voltage, the greater the no load current) Conversion Efficiency: <94% (the greater the pressure difference, the lower the efficiency) Switching Frequency: 400KHZ, Output Ripple: 50MV (the higher the voltage, the greater the current, the greater the ripple) Load Regulation: ±0.5% Voltage Regulation Rate: ±0.5% Working Temperature: -40℃ ~ +85℃ IN+: Input positive IN-: Input negative OUT+: Output positive OUT-: Output negative Package List 1 x DC to DC Boost Module