300W 20A DC-DC Step-down Adjustable Constant Current Module
Adjustable output voltage ranges from 1.2V to 36V with a wide range of current output up to 20A.
- Input Voltage (V): 6-40VDC
- Output Voltage (V): 1.25 to 36
- Max. Output Current (A): 20
- Conversion Efficiency: 97%
- Switching Frequency: 180 KHz
- PCB Size (L x W) mm: 60 x 45
Top Features:
- Adjustable output voltage and current
- High stability for LED driver applications
- Double heat sink design for efficient heat dissipation
- Onboard potentiometers for accurate regulation
The 300W 20A DC-DC Step-down Adjustable Constant Current Module is made from a dedicated benchmark IC and high-precision current sensing resistor, providing stable constant current. It is suitable for LED driver applications and can handle high power applications with the heat sink mounted. The module can output up to 20A, recommended for continuous use up to 15A with an additional cooling fan.
With six high-frequency capacitances, it offers lower output ripple and features a double heat sink design for fast heat dissipation. The module includes onboard potentiometers for high accuracy voltage and current regulation, making it versatile for various applications such as battery charging and LED driver power supply.
Applications:
- High-power LED driver
- Lithium battery charge
- Vehicle-mounted power supply
- Regulated power supply
Note: If the module temperature exceeds 65C, please add a cooling fan. For room temperature use without a fan, ensure proper heat dissipation.
How to Adjust the Module:
When the output voltage cannot be adjusted, turn the potentiometer counterclockwise 20 laps or more. Turn trimmers clockwise to increase and counterclockwise to decrease. Use a multimeter to monitor the voltage when adjusting the blue potentiometer.
Package Includes: 1 x 300W 20A DC-DC Buck Converter Step-down Module Constant Current LED Driver Module
*Images are for illustration only; actual product may vary.