The 300W XL4016 DC-DC Step Down (Buck) Converter Module is a high-power adjustable voltage regulator designed for applications requiring stable constant voltage (CV) and constant current (CC) control. With an input range of 5V–40V and an adjustable output of 1.2V–35V, this module delivers up to 20A output current, making it ideal for battery charging, LED drivers, laboratory power supplies, and industrial electronics.Now available at Kommullo Bangladesh (kommullo.com) – your trusted supplier of quality electronic components in Bangladesh.
🔧 Key Features
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✅ Wide Input Voltage: 5V – 40V DC
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✅ Adjustable Output Voltage: 1.2V – 35V DC
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✅ Maximum Output Current: 20A
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✅ Maximum Output Power: Up to 300W
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✅ Constant Current (CC) Adjustable: 0.2A – 20A
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✅ Soft Start Function (ON/OFF Switch)
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✅ Low Output Ripple & High Efficiency Design
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✅ Dual Heat Sink for Better Heat Dissipation
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✅ High-Precision Current Sensing Resistor
📊 Technical Specifications
| Parameter | Specification |
|---|---|
| Material | PCB Board & Electronic Components |
| Input Voltage | 5V – 40V DC |
| Output Voltage | 1.2V – 35V (Continuously Adjustable) |
| Output Current | 20A (Max) |
| Constant Current Range | 0.2A – 20A (Adjustable) |
| Maximum Output Power | 300W |
| Cooling Requirement | Add a cooling fan if the temperature exceeds 65°C |
| Size | Approx. 66 × 48 × 21 mm |
| Color | As shown in the picture |
⚙ Applications
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LED driver power supply
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Lithium battery charging systems
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DIY bench power supply
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Solar charge regulation
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Automotive voltage step-down applications
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Robotics & embedded projects
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Industrial control systems
🔥 Performance & Stability
This module uses a dedicated benchmark IC (XL4016) and high-precision current sensing resistor to ensure:
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Stable constant current output
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Low ripple voltage
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High conversion efficiency
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Reliable high-power performance
⚠ Note: When operating at high current (above 9A–10A) or near maximum power, it is recommended to use an additional cooling fan to prevent overheating.
📦 Package Includes
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1 × 300W XL4016 DC-DC 20A Step Down Buck Converter Module
🛒 কেন Kommullo Bangladesh থেকে কিনবেন?
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✔ Original & Quality Tested Products
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✔ Best Price in Bangladesh
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✔ Fast & Secure Nationwide Delivery
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✔ Trusted Electronics & Lab Equipment Supplier
If you are searching for a high-power 300W 20A adjustable buck converter in Bangladesh, the XL4016 Step Down Module from kommullo.com is the perfect solution for your power management needs.
👉 Order today from Kommullo Bangladesh and power your projects with confidence!
✔ Trusted Quality Only — Kommullo Bangladesh Original Products!
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