2Pcs DC7V-35V to DC1.25V-30V LED Driver Charging Constant Current Voltage Step Down Buck Power Supply Module COD

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This module uses the original Sanyo low ESR filter capacitor, you can make low ripple voltage to 50mV!

This module is an adjustable buck module, the module can be adjusted from the blue adjustable resistor to change the output voltage. Input and output differential pressure is 2V, the minimum can be output 1.23V.





Rectification: Non-synchronous rectification

Output voltage: 1.25V - 30V

Transfer efficiency: 92% (maximum)

output ripple: 50mV (maximum) 20M Kbps

Voltage regulation: ±2.5%

Dimension: 48 x 23 x 14mm (L x W x H)

Battery charging method:

1. Make sure the battery float voltage and charging current, the module input voltage;

3. Use the multimeter (10A current) measuring the output short-circuit current, meanwhile adjust the constant current potentiometer make the output current reaches a predetermined charge current value;

5. Adjustment constant potentiometer allows the output voltage reaches the float voltage;

(1,2,3,4,5 steps are for the module input connected to the power supply, output-load battery is not connected.)

LED constant current driver using method:

1. Make sure that the drive LED operating current and maximum working voltage;

3. Use the multimeter (10A current) measuring the output short-circuit current, meanwhile adjusting the constant current potentiometer allows the output current reaches a predetermined LED working current;

5. Connect LED, test machine.