DC-DC Step Down Board 3.3V 3A Regulated Power Module MP1584EN Buck Converter

Product Overview

The MP1584EN DC-DC Step Down Converter (3.3V version) is a compact, high-efficiency buck power module designed to step down voltages from 5.3V–26V to a fixed 3.3V output. With a peak current capability of 3A (recommended continuous use up to 1.8A), it is perfect for powering 3.3V logic circuits, microcontrollers, sensors, and embedded systems.

Key Features

• Fixed 3.3V regulated output

• Output current: 3A peak, continuous up to 1.8A

• High conversion efficiency: up to 96%

• Low output ripple: <30mV

• Wide input voltage range: 5.3V to 26V

• Lightweight and compact design

Technical Specifications

• Input Voltage: 5.3V – 26V

• Output Voltage: 3.3V fixed

• Output Current: 3A peak (1.8A recommended for stable operation)

• Conversion Efficiency: 96% (Vin – Vout > 2V)

• Output Ripple: <30mV

• Operating Temperature: -40°C ~ +85°C

• Module Size: 22.3mm × 17mm

• Weight: 3g

Applications

• 3.3V logic devices (ESP8266, ESP32, STM32, NRF modules)

• IoT projects and embedded systems

• DIY electronics and robotics

• Battery-powered projects

• Replacing linear regulators (higher efficiency)