DC-DC Buck Converter LM2596 Adjustable Power Supply Module

The LM2596 Adjustable Buck Converter is a high-efficiency DC-DC step-down power module designed to convert a higher DC voltage into a stable, lower, adjustable output. With up to 3A maximum load capacity and excellent voltage regulation, it’s ideal for Arduino projects, robotics, battery charging, DIY electronics, and other power-sensitive applications.

Key Features

• Input Voltage: 4.5V – 40V DC

• Output Voltage: 1.25V – 37V DC (adjustable)

• Maximum Output Current: 3A

• Output Power: Up to 15W (recommended)

• Conversion Efficiency: Up to 92%

• Voltage Regulator: LM2596S Step-Down IC

• Built-in Potentiometer for fine voltage adjustment

• High-Quality Components for stable and safe output

• Thermal Overload Protection ensures long-term reliability

• Compact HW-411A module design

How It Works

The LM2596 buck converter steps down a higher DC voltage to a stable lower voltage using switching technology, offering high efficiency and low heat generation — much more efficient than traditional linear regulators.

Applications

• Arduino, ESP32, Raspberry Pi power supply

• Battery charging (Li-ion, LiPo, SLA)

• Robotics and automation

• LED light strips and controllers

• DIY electronics and embedded systems

• 3D printers and CNC power solutions

• Solar power regulation

Why Choose This Module?

• Reliable and proven LM2596 IC

• High efficiency & steady output

• Adjustable voltage makes it very versatile

• Suitable for both hobbyists and industrial prototyping

• Compact & easy to integrate into any project