⚙️ Product Description

The LM2596 DC-DC Buck Converter Module is a compact and efficient voltage regulator designed to reduce a higher DC input voltage to a lower adjustable output voltage. Based on the popular LM2596 switching regulator IC, this module offers high efficiency, stable output, and low heat generation.

The output voltage can be adjusted from 1.25V to 30V using the onboard precision potentiometer, making it suitable for a wide range of electronics projects and power supply applications.

Unlike linear voltage regulators, the LM2596 uses switching technology, which provides much higher efficiency and allows the module to deliver more current with less heat. It is ideal for powering Arduino boards, ESP32 modules, Raspberry Pi, LED strips, motors, sensors, cameras, and battery-powered devices.

⚙️ Specifications

• Module Type: DC-DC Buck Converter / Step-Down Module
• Main IC: LM2596
• Input Voltage Range: 4V – 40V DC
• Output Voltage Range: 1.25V – 30V DC Adjustable
• Maximum Output Current: 3A
• Recommended Continuous Current: 2A
• Conversion Efficiency: Up to 92%
• Switching Frequency: 150kHz
• Output Ripple: < 30mV typical
• Adjustment Method: Multi-turn Potentiometer
• Polarity Protection: No
• Module Dimensions: Approx. 43 mm × 21 mm × 14 mm

⚙️ Weight

• Approximate Weight: 8 g – 12 g

⚙️ Key Features

• Adjustable output voltage from 1.25V to 30V
• High efficiency up to 92%
• Supports up to 3A output current
• Low heat generation compared to linear regulators
• Compact size for easy installation in projects
• Stable and reliable voltage regulation
• Easy-to-use screw terminals for input and output
• Suitable for battery, solar, and DC power applications
• Ideal for Arduino, ESP32, Raspberry Pi, and DIY electronics

⚙️ Terminal Configuration

• IN+ : Positive DC Input
• IN– : Negative DC Input
• OUT+ : Positive Regulated Output
• OUT– : Negative Regulated Output

⚙️ Applications

• Arduino and ESP32 power supplies
• Raspberry Pi voltage regulation
• LED strip and lighting projects
• Battery-powered devices
• Solar power systems
• DC motor and fan control
• DIY bench power supplies
• Robotics and automation projects
• CCTV cameras and electronic devices

⚙️ Compatible With

• Arduino Uno, Nano, Mega
• ESP32 and ESP8266
• Raspberry Pi
• 12V, 24V, and 36V DC power sources
• Lithium battery packs and solar panels

⚙️ Package Includes

• 1 × LM2596 DC-DC Buck Converter Step-Down Module

Note: The output voltage must always be set lower than the input voltage. Before connecting your device, adjust and measure the output voltage using a multimeter to avoid damage.