XL4016 DC-DC Buck Converter 8A Step Down 4-38V to 1.25-36V HW-439
A XL4016 high-power adjustable DC-DC buck converter for efficiently stepping down DC voltage in power supply and battery charging applications.
145.00 EGP
Buy NowXL4016 DC-DC Buck Converter 8A Step Down 4-38V to 1.25-36V HW-439
The XL4016 DC-DC Buck Converter HW-439 is a high-efficiency step-down (buck) voltage regulator designed to convert higher DC input voltages into a stable, adjustable lower output voltage. Based on the XL4016 switching regulator IC, the module supports input voltages from 4V to 38V DC and provides an adjustable output from 1.25V to 36V, making it suitable for a wide variety of power conversion applications. It utilizes PWM switching technology to achieve high conversion efficiency while minimizing heat generation.
This module is ideal for powering embedded systems, LED lighting, robotics, automotive electronics, battery charging, and laboratory power supplies. It features onboard potentiometers for output voltage adjustment and includes protection functions such as overcurrent, over-temperature, and short-circuit protection. For continuous operation above approximately 5A, additional cooling such as a fan is recommended to maintain reliable performance.
Features:
- High-efficiency DC-DC step-down conversion.
- Adjustable output voltage.
- PWM switching regulation.
- Wide input voltage range.
- High output current capability.
- Built-in overcurrent protection.
- Built-in thermal protection.
- Short-circuit protection.
- Stable voltage regulation.
- Easy adjustment using onboard potentiometer.
- Compact module with screw terminals.
- Suitable for battery charging and regulated power supplies.
Specifications:
| Parameter | Value |
|---|---|
| Module Model | HW-439 |
| Controller IC | XL4016 |
| Converter Type | Buck (Step-Down) |
| Input Voltage | 4V – 38V DC |
| Output Voltage | 1.25V – 36V DC (Adjustable) |
| Maximum Output Current | 8A |
| Recommended Continuous Current | ≤5A (without additional cooling) |
| Maximum Output Power | 200W |
| Conversion Efficiency | Up to 95% |
| Switching Frequency | 180kHz |
| Voltage Regulation | ±1% |
| Load Regulation | ±1% |
| Cooling | Passive Heatsink (Fan recommended for high current) |
Applications:
- Adjustable DC power supplies.
- Battery charging systems.
- Automotive electronics.
- LED power supplies.
- Robotics.
- Industrial control systems.
- Arduino and microcontroller power supplies.
- CCTV power systems.
- Communication equipment.
- DIY electronics projects.
- Laboratory bench power supplies.
Package Includes:
- 1x XL4016 DC-DC Buck Converter 8A Step Down 4-38V to 1.25-36V HW-439.

