
LM2596 DC-DC Buck Converter Module
Description
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
| Parameter | Specification |
| Model | LM2596 DC-DC Buck Converter |
| Regulator IC | LM2596S-ADJ |
| Input Voltage Range | 4V – 40V DC |
| Output Voltage Range | 1.25V – 37V DC (Adjustable) |
| Output Current | 3A (max), 2A (recommended continuous) |
| Conversion Efficiency | Up to 92% |
| Switching Frequency | 150 kHz |
| Load Regulation | ±1% |
| Voltage Regulation | ±0.5% |
| Operating Temperature | −40°C to +85°C |
| Short Circuit Protection | Yes |
| Thermal Shutdown Protection | Yes |
| Dimensions (L × W × H) | ~43 × 21 × 14 mm |
| Weight | ~15 g |
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
Reviews (0)
Be the first to review “LM2596 DC-DC Buck Converter Module” Cancel reply


Reviews
There are no reviews yet.