300W 20A DC-DC Buck Converter Step-down Module Constant Current LED Driver Module
The 300W DC-DC buck (step-down) converter module is a high-power voltage regulator designed to efficiently reduce a higher DC input voltage to a lower, adjustable output. Featuring constant voltage (CV) and constant current (CC) modes, it is especially suitable as a high-current LED driver and for other power-hungry DC applications. With support for up to 20A output current, this module delivers stable and reliable performance.
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Features
- Converter Type: DC-DC Step-Down (Buck)
- Operating Modes: Constant Voltage (CV) & Constant Current (CC)
- Maximum Output Power: Up to 300W
- Maximum Output Current: Up to 20A
- Wide DC input voltage support (module dependent)
- Independent voltage and current adjustment via onboard potentiometers
- High efficiency switching design
- Built-in protections: over-current, over-temperature, and short-circuit
- Heavy-duty inductor & MOSFETs with heat-sink support
Applications
- High-power LED driving and lighting systems
- Adjustable DC bench power supplies
- Battery charging systems (with proper settings)
- Motor drivers and load current limiting
- Automotive, solar, and industrial electronics
- DIY, lab, and educational projects
*Product image for illustration purposes only, actual product may vary.














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