LM2596 Buck Converter Module – Adjustable Step-Down Power Supply for Arduino and DIY Electronics
The LM2596 Buck Converter Module is a high-efficiency DC-DC step-down voltage regulator that allows you to convert higher voltages down to a desired lower level. Perfect for powering Arduino, ESP32, Raspberry Pi, motors, sensors, and other devices requiring precise and stable voltage levels. The module features adjustable output via a built-in potentiometer.
 
Key Features:
Adjustable Output Voltage
Easily tune output voltage from 1.25V to 35V using the onboard trimpot.
Wide Input Range
Accepts input voltages from 4V to 40V, ideal for various power sources including batteries and adapters.
High Efficiency
Up to 92% conversion efficiency with low heat generation.
Output Voltage Indicator LED
Built-in power LED shows the module is functioning.
Screw Terminals or Header Pins
Flexible connectivity for breadboard, PCB, or wired setups.
 
Applications:
Power supply for Arduino, ESP32, Raspberry Pi
Robotics and motor drivers
Battery-powered projects
LED strips and display modules
Custom voltage output for lab/test bench use
DIY electronics and embedded systems
 
Package Includes:
1 × LM2596 Adjustable Buck Converter Module
 
Specifications:
Chipset: LM2596S
Input Voltage: 4V to 40V DC
Output Voltage: 1.25V to 35V DC (adjustable)
Output Current: Up to 2A continuous, 3A max (with heatsink)
Conversion Efficiency: Up to 92%
Switching Frequency: 150 kHz
Output Ripple: ≤30mV (typical)
Voltage Adjustment: Via onboard potentiometer
Protection: No reverse polarity protection (add diode if needed)
 
Dimensions:
Length: 43 mm
Width: 21 mm
Height: 14 mm
 
Weight: 10 g
 
People Also Search For:
LM2596 step-down converter
buck converter for Arduino
DC-DC voltage regulator module
adjustable power supply module
LM2596S buck module
12V to 5V converter
power supply for ESP8266