XL4016 9A DC-DC Adjustable Buck Step-Down Converter Module

XL4016 9A DC-DC Adjustable Buck Step-Down Converter

Built around the reliable XL4016 PWM controller IC, this compact buck step-down converter delivers up to 9A of continuous current with fully adjustable output voltage. Whether you're powering microcontrollers, charging batteries, or regulating voltage in an embedded system, this module offers stable, efficient performance in a small footprint — making it a go-to choice for engineers and hobbyists alike.

Key Features

• IC: XL4016 high-efficiency PWM buck controller
• Max Output Current: 9A continuous
• Adjustable Output Voltage: Set via onboard potentiometer
• High Efficiency: Up to 96% — stays cool even under load
• Wide Input Range: Compatible with common DC supply voltages
• Built-in Protection: Over-current and thermal shutdown protection
• Compact PCB Design: Easy to integrate into enclosures and project builds
• LED Power Indicator: Visual confirmation of active output

Applications

• Arduino, ESP32, Raspberry Pi power supply
• Battery charging and management
• LED driver circuits
• Motor speed control
• Bench power supply builds
• Robotics and automation projects

Specifications

• IC: XL4016
• Topology: Buck (Step-Down)
• Max Output Current: 9A
• Output Voltage: Adjustable
• Efficiency: Up to 96%
• Switching Frequency: 180kHz (typical)
• Operating Temperature: -40°C to +85°C

Note: Input voltage must always be higher than the desired output voltage. Use a heatsink for sustained high-current operation above 5A.