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300W 20A DC-DC Buck Converter, CC CV Constant Current LED Driver, 6-40V to 1.2-36V Adjustable Step Down Voltage Regulator Module with Electrolytic Capacitor & Dual Heatsinks
- Delivers up to 300W power with 20A max output current (15A recommended for continuous use), ideal for high-power LEDs and heavy-duty projects.
- Wide Input & Adjustable Output
- Input: DC 6-40V; Output: DC 1.2-36V (adjustable via CV potentiometer), compatible with 12V/24V systems.
- CC/CV Dual Mode & High Efficiency
- Constant Current (CC) for LEDs, Constant Voltage (CV) for batteries; efficiency up to 96% (24V to 12V@20A).
- Premium Components & Low Ripple
- Built-in high-frequency electrolytic capacitors and dual MOS tubes (75V/80A) for stable output with ripple 50mV.
- Dual Heatsinks & Protection
- Dual heatsinks for excellent heat dissipation; self-recovery short-circuit and over-current protection.
- Easy Wiring & Compact Size
- 30A screw terminals for safe high-current connection; compact 60×53×27mm design.
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Overview
Specs
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300W 20A DC-DC buck converter is a high-performance step-down power module designed for LED driving, battery charging, and DIY power projects. It features a wide input voltage range of 6-40V DC and an adjustable output voltage of 1.2-36V DC, supporting both constant current (CC) and constant voltage (CV) modes.
Equipped with high-quality electrolytic capacitors and dual 75V/80A MOSFETs, the module ensures low ripple (50mV) and stable output. The dual heatsink design provides efficient heat dissipation, enabling reliable operation even at high loads. With up to 96% conversion efficiency, it minimizes energy loss during voltage regulation.
The converter offers self-recovery short-circuit and over-current protection for safety. The 30A screw terminals allow easy and secure wiring. Compact size (60×53×27mm) makes it suitable for various space-constrained applications.
Specifications
- Input Voltage: DC 6-40V (recommended 10-40V)
- Output Voltage: DC 1.2-36V (adjustable)
- Output Current: 20A (max), 15A (continuous recommended)
- Output Power: Max 300W
- Efficiency: Up to 96% (24V to 12V@20A)
- Output Ripple: 50mV
- Control Mode: CC (Constant Current) / CV (Constant Voltage)
- Protection: Short-circuit (self-recovery), over-current
- Heat Dissipation: Dual aluminum heatsinks
- Wiring: 30A screw terminals
- Dimensions: 60×53×27mm / 2.36×2.08×1.06"
- Weight: ~80g
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by Haikou Commerce Return Policy
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