[4-PACK] DC Boost Converter 24V 12V 9V 5V Step Up Voltage Regulator Ajustable with Heat Sink

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About [4-PACK] DC Boost Converter 24V 12V 9V 5V Step Up

Product Features Parameters: Input Voltage: DC 3 V to 32 V Output Voltage:  5 V to 35 V  Input current 4 A (maximum), no-load 18 mA (5 V input, 8 V output, no-load less than 18 mA. The higher the voltage, the greater the no-load current)  Conversion efficiency: < 94 % (the greater the pressure difference, the lower the efficiency)  Switching frequency: 400 KHZ  Output ripple: 50 mV (the higher the voltage, current, the ripple is larger)  Load regulation: plus or minus 0.5%  Voltage regulation: plus or minus 0.5%  Working temperature: - 40 ℃ to + 85 ℃  Overall dimensions: 43 mm x 21 mm to 14 mm (length x width x height)  Fuction: 1.Built in over-temperature protection function  2.Built in current limit function  3.Built in output short-circuit protection function  How to use 1.Access the power supply(Note：The input voltage should not be over 30 V to avoid any possible damage.), the power indicator light, the module is working properly. 2.Adjust the blue potentiometer knob (usually clockwise rotation boost, counterclockwise rotation Step-down) and monitor the output voltage with a multimeter to reach the required voltage.  3.A customer reflects the module output voltage can not be adjusted, always equal to the input voltage. When you encounter this problem, please first counterclockwise rotation potentiometer 10 laps above, and then use the module can be normal adjustment of the voltage. Package includes:  4 X XL6009 board 4 pieces of heat sink