300w 10a dc-dc step down constant voltage

The 300W 10A DC-DC Step Down Constant Voltage Buck Converter is a high-power module designed for adjustable voltage regulation (1.25V–35V) with up to 10A output current, making it ideal for battery charging, LED driving, and vehicle power supplies. It features dual heatsinks, high efficiency (~95%), and requires a cooling fan for continuous high-load operation.

🔧 Key Features

• Input Voltage: 7V – 40V DC
• Output Voltage: Adjustable 1.25V – 35V DC
• Output Current: Up to 10A (recommended continuous use: 8A with cooling fan)
• Power Rating: 300W
• Efficiency: ~95%
• Operating Frequency: 300 kHz
• No-load Current: ~20mA
• Heat Management: Dual heatsink design + optional cooling fan for high loads
• Stability: Four high-frequency capacitors reduce ripple; precision potentiometers for fine voltage/current adjustment

⚙️ Applications

• High-power LED driver (stable constant current output)
• Battery charging (Lithium, Lead-acid, 6V/12V/14V/24V systems)
• Vehicle-mounted power supply
• On-board laptop power supply
• General regulated DC power supply
• Low-voltage system power supply

📌 Summary

This module is multipurpose, cost-effective, and reliable for hobbyists, makers, and industrial use. It is particularly suited for LED lighting projects, battery charging stations, and automotive electronics. For safe operation, ensure adequate cooling when running at high currents (above 8A).