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The LM2596 Buck Converter Module is used to reduce higher DC voltage to a lower adjustable output voltage. It is ideal for powering devices like Arduino Uno R3 and ESP32 Development Board safely.
The LM2596 Buck Converter is a step-down (buck) voltage regulator module that converts a higher DC input voltage into a stable lower output voltage.
It features an adjustable output controlled via an onboard potentiometer, allowing precise voltage setting for different applications. The module is efficient (up to ~90%) and widely used in battery-powered systems, robotics, embedded projects, and power supply circuits.
This converter is essential when your input voltage is higher than what your components can handle (e.g., converting 12V to 5V).
Key Features
Step-down (buck) voltage conversion
Adjustable output voltage
High efficiency (up to ~90%)
Wide input voltage range
Compact and easy to use
Onboard potentiometer for voltage adjustment
Technical Specifications
Parameter
Value
Module Type
DC-DC Buck Converter
IC
LM2596
Input Voltage
4V – 40V
Output Voltage
1.25V – 37V (adjustable)
Output Current
Up to 3A (max)
Efficiency
Up to 90%
Pin Configuration
Pin
Description
IN+
Input Positive
IN-
Input Ground
OUT+
Output Positive
OUT-
Output Ground
What’s in the Box
1 × LM2596 Buck Converter Module
Ideal For
Voltage regulation in projects
Battery-powered circuits
Arduino and ESP32 power supply
Robotics and automation
DIY electronics ⚡
Weight
0.010 kg
Dimensions
4.3 × 2.1 × 1.4 cm
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