300W 5A Step Down Buck Converter 5-40V To 1.2-35V Power Supply Module
The 300W 9A Step Down Buck Converter Power Supply Module offers a wide input range of 5-40V and adjustable output from 1.2-35V, ideal for varied electronic applications.



Category: DC to DC Converters
300W 5A Step Down Buck Converter Key Features:
- Brand New and High-Quality Module: Ensures reliable and efficient performance.
- Stable Constant Current: Utilizes a dedicated benchmark IC and high-precision current sensing resistor.
- High Output Current: Can reach up to 5A (though not recommended for continuous use without additional cooling).
- Low Output Ripple: High-frequency capacitor minimizes output ripple, ideal for sensitive applications.
- LED Driver Compatibility: Well-suited for use as an LED driver.
DC-DC Converter Specifications:
- Material: Durable PCB board and electronic components.
- Input Voltage Range: 5-40V, accommodating a wide range of power sources.
- Adjustable Output Voltage: 1.2-35V, continuously adjustable for versatile applications.
- Output Current: Up to 7A (add cooling fan if power tube temperature exceeds 65°C).
- Constant Current Range: Adjustable between 0.2-5A.
- Maximum Output Power: About 300W (add cooling fan if power tube temperature exceeds 65°C).
- Module Size: Approximately 6.5 x 4.8 x 2.4 cm, compact for easy integration.
Usage Notes:
- For high output currents or power, it is recommended to add a cooling fan to manage heat effectively.
- Ideal for projects requiring precise voltage and current control, such as powering LEDs or other sensitive electronic devices.
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Standard Shipping · United States: $0.00
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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.
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