MP1584EN 3A Adjustable Buck Converter

The MP1584EN 3A Adjustable Buck Converter is a compact, high-efficiency DC-DC step-down voltage regulator module designed for a wide range of power supply applications. Based on the MP1584EN switching regulator IC, this module delivers up to 3A of continuous output current while maintaining excellent efficiency and thermal performance. Perfect for hobbyists, makers, and professionals, this versatile converter is ideal for powering microcontrollers, sensors, LED lighting, and other electronics projects where a stable, adjustable voltage supply is essential.

Key Features:

• Compact Design: Ultra-small PCB footprint (approximately 22mm x 17mm) for easy integration into space-constrained projects.
• Adjustable Output Voltage: On-board potentiometer allows precise voltage adjustment from 0.8V to 20V DC.
• High Output Current: Delivers up to 3A continuous current (with adequate cooling and appropriate input-output voltage differential).
• Wide Input Voltage Range: Accepts input voltages from 4.5V to 28V DC, making it compatible with various power sources.
• High Efficiency: Switching regulator topology achieves up to 96% efficiency, minimising heat generation and power loss.
• Integrated Inductor: On-board shielded inductor eliminates the need for external components and reduces electromagnetic interference.
• Overcurrent Protection: Built-in current limiting protects both the module and connected devices from damage.
• Thermal Shutdown: Automatic thermal protection prevents damage during overload conditions.
• Fixed Switching Frequency: 1.5MHz switching frequency enables the use of smaller external components.
• Controller IC: MP1584EN high-efficiency step-down switching regulator in SOP-8 package.
• Operating Temperature Range: -40°C to +85°C for reliable performance in diverse environments.
• Standby Current: Low quiescent current consumption for battery-powered applications.
• Output Ripple: Typically less than 30mV under normal operating conditions.
• Breadboard Compatible: Standard 2.54mm pin spacing for easy prototyping and testing.

Applications

• Microcontroller Projects: Provide stable power supplies for Arduino, Raspberry Pi, ESP32, and other development boards.
• Battery-Powered Devices: Efficiently step down battery voltages for portable electronics and IoT applications.
• LED Lighting: Drive LED strips and arrays with precise current and voltage control.
• Automotive Electronics: Power sensors, displays, and control circuits in 12V/24V vehicle systems.
• DIY Power Supplies: Build custom bench power supplies and battery chargers with adjustable output.

Why Choose the MP1584EN 3A Adjustable Buck Converter? The MP1584EN module combines high efficiency, compact size, and ease of use in an affordable package. Its wide input range and adjustable output make it incredibly versatile for countless electronics projects, whilst the integrated inductor and protection features ensure reliable, hassle-free operation. Whether you're prototyping your next invention or building a production-ready system, this buck converter delivers the performance you need with the simplicity you want.