MP1584EN Mini DC-DC Step-Down (Buck) Converter Module

The MP1584EN Buck Converter is a compact, efficient, and reliable DC-DC step-down voltage regulator ideal for projects requiring space-saving power solutions. Based on the high-performance Monolithic Power Systems MP1584EN chip, this module provides a stable output voltage with high efficiency—perfect for battery-powered or embedded applications.

Key Features:

Input Voltage: 4.5V to 28V DC

Output Voltage: Adjustable from 0.8V to 20V (via onboard potentiometer)

Maximum Output Current: 3A (recommended ≤ 2A for stable operation without heatsink)

Conversion Efficiency: Up to 92%

Switching Frequency: 1.5MHz – reduces the size of external components

Built-in Protections: Over-current, over-temperature, and short-circuit protection

Compact Size: Approx. 22mm x 17mm x 4mm

Highlights:

Tiny footprint, perfect for portable or space-constrained projects

High efficiency for battery-powered devices

SMD components ensure a low-profile and lightweight design

Simple adjustable output via precision potentiometer

Applications:

Arduino and microcontroller projects

Battery-powered devices

Portable electronics

Embedded systems

DIY power supplies

LED lighting systems

This MP1584EN Buck Converter is ideal for makers, engineers, and hobbyists looking for a small, high-efficiency voltage regulator for their next low-power electronics project.