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Detailed Description:

The LM2596 DC-DC Buck Converter is a highly efficient and indispensable component for a wide array of electronics projects, offering a simple solution to the challenge of voltage regulation. This adjustable step-down voltage regulator module is designed to reliably convert a higher input voltage into a lower, stable output voltage, making it perfect for powering sensitive electronics from a higher voltage source. Unlike inefficient linear regulators that dissipate excess energy as heat, the LM2596's switching technology provides a remarkable conversion efficiency of up to 92%, significantly extending the battery life of portable devices and reducing heat generation.

The module's versatility is defined by its wide input voltage range of 4V to 40V and a continuously adjustable output voltage from 1.25V to 37V, easily set with a built-in multi-turn potentiometer. With the capacity to deliver a continuous output current of up to 3A (with a heatsink), the LM2596 module can handle everything from powering an Arduino or Raspberry Pi to controlling LED lighting and charging batteries. It also incorporates essential safety features, including thermal shutdown and current limit protection, to safeguard both the module and your connected devices. Whether you are building a custom power supply, a robotics project, or simply need to step down a voltage source, the LM2596 module offers a compact, reliable, and highly efficient solution.

This DC to DC Buck Converter Module (often based on LM2596S IC) is a high-performance switch-mode power supply that efficiently converts higher DC input voltages (4V to 40V) into lower regulated outputs (1.25V to 36V).

The output voltage is adjustable via the onboard potentiometer, and the onboard digital voltmeter (in some variants) allows real-time monitoring. It is widely used in battery-powered projects, regulated power supplies, robotics, solar projects, and IoT systems.

Key Features:

• Step-down DC voltage regulator module

• Adjustable output from 1.25V to 36V

• Wide input voltage range: 4V to 40V

• High efficiency: Up to 92%

• Onboard voltage trimpot for fine adjustment

• LED power indicator (on most modules)

• Compact and easy to integrate

• Compatible with Arduino, Raspberry Pi, ESP32, STM32, etc.

Technical Specifications:

How to Use:

1. Connect VIN+ and VIN- to your DC power source (e.g., 12V battery, 24V adapter).

2. Connect your load to VOUT+ and VOUT-.

3. Use the onboard potentiometer (multiturn screw) to adjust output voltage.

4. Use a multimeter or onboard display (if present) to verify output voltage.

Always adjust the voltage before connecting your sensitive load (e.g., microcontrollers, displays, sensors).

Applications:

• Arduino and ESP32 regulated power supply

• Battery-powered embedded projects

• DIY adjustable power supply stations

• Solar battery voltage regulation

• 12V to 5V converter for LEDs, relays, GPS, GSM

• Raspberry Pi or ESP boards from 9V/12V source

• Automotive and robotics voltage regulation

Package Includes:

• 1 x DC to DC Buck Converter Module (LM2596-based)