XL4016 DC-DC Buck Converter 9A 300W Step-Down Power Module
XL4016 DC-DC Buck Converter 9A 300W Step-Down Power Module
XL4016 DC-DC Step-Down Buck Converter – 9A 300W, 5–40V to 1.2–35V
Upgrade your electronics projects with this high-efficiency XL4016 DC-DC Buck Converter. Capable of handling up to 9A continuous current and 300W peak power, this compact step-down power module converts input voltages of 5V–40V down to an adjustable output of 1.2V–35V — making it an ideal solution for DIY power supplies, battery charging circuits, solar regulators, LED drivers, and more.
Key Features
- Wide Input Range: 5V to 40V DC input voltage
- Adjustable Output: 1.2V to 35V DC (step-down only)
- High Current Capacity: Up to 9A continuous output
- High Power Handling: 150W continuous / 300W peak
- XL4016 Chipset: Reliable, thermally efficient PWM control IC
- Compact Design: Easy to integrate into custom enclosures or breadboard setups
- Adjustable Voltage: On-board trimmer potentiometer for fine voltage tuning
- High Efficiency: Minimizes heat generation during operation
- Short-circuit & over-temperature protection built in
Specifications
- Input Voltage: 5V – 40V DC
- Output Voltage: 1.2V – 35V DC (adjustable)
- Max Continuous Current: 9A
- Continuous Power: 150W
- Peak Power: 300W
- Controller IC: XL4016
- Conversion Type: Step-Down (Buck)
- Country of Origin: Made in Mainland China
Common Applications
- DIY bench power supplies
- Battery charging systems
- Solar panel voltage regulation
- LED strip and lighting power control
- Motor speed controllers
- Automotive 12V/24V power conversion
- Robotics and electronics prototyping
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Frequently Asked Questions
Q: What is a DC-DC buck converter and how does the XL4016 module work?
A: A DC-DC buck converter (also called a step-down converter) takes a higher DC input voltage and efficiently converts it to a lower, regulated DC output voltage. The XL4016 power module uses pulse-width modulation (PWM) technology to control the switching frequency and maintain stable output voltage. Simply connect your input power source (5–40V), turn the on-board potentiometer to set your desired output voltage (1.2–35V), and connect your load.
Q: Can this module handle 9A continuously, or only at peak?
A: The XL4016 DC-DC buck converter supports up to 9A of continuous output current with adequate cooling (a heatsink is recommended at higher current loads). The 300W figure refers to short-term peak power, while 150W is the rated continuous power output. For sustained high-current applications, ensure proper ventilation or attach a heatsink to the module.
Q: Is the output voltage fixed or adjustable?
A: The output voltage is fully adjustable. The module features an on-board trimmer potentiometer that allows you to dial in any output voltage between 1.2V and 35V, provided the input voltage is higher than the desired output. This makes it extremely versatile for a wide range of DIY electronics and power supply projects.