LM2596 DC-DC Buck Converter Module

Minimum Technical Features

• High-efficiency step-down (buck) voltage regulator based on the LM2596S chip.
• Wide input voltage range: Typically, 4V to 40V DC.
• Adjustable output voltage: 1.25V to 37V DC (continuously adjustable via onboard potentiometer).
• High conversion efficiency: up to 92% (depending on input/output conditions).
• Output current capability: up to 3A (recommended ≤2A continuous for stable operation).
• Switching frequency: 150 kHz (fixed frequency for reliable performance).
• Built-in thermal shutdown and current limit protection.
• On-board power LED indicator.
• Compact design with screw terminal blocks for easy input/output connections.
• Compatible with Arduino, Raspberry Pi, ESP32, and other DC-powered electronics.

Description

• The LM2596 DC-DC Step-Down (Buck) Converter Module efficiently converts a higher input voltage to a lower, stable DC output voltage.
• It uses the LM2596 switching regulator IC, designed for high-efficiency power conversion with minimal heat generation compared to linear regulators (like 7805).
• This module features an adjustable output controlled by a precision potentiometer, allowing fine-tuning of voltage for various electronic applications.
• Its onboard heatsink and high-quality capacitors ensure stable output under load conditions.
• Ideal for battery-powered systems, LED drivers, embedded circuits, robotics, and power supply design.

Technical Specifications

Applications

• Battery charging and voltage regulation
• DIY adjustable power supplies
• LED driver circuits
• Embedded systems and robotics
• Automotive electronics
• Microcontroller power source (Arduino, ESP32, etc.)
• Portable device power management
• DC motor speed control