MP1584EN 3A DC-DC Buck Converter 4.5-28V to 0.8-20V Step Down Module

🔧 MP1584EN 3A Adjustable Buck Converter Module | AuscomTech

The MP1584EN is an ultra-compact DC-DC step-down power module designed to convert a higher DC input voltage to a lower adjustable DC output voltage.

Using a high-frequency switching regulator, this module delivers efficient and stable voltage conversion for embedded systems and electronic projects.

Ideal for Arduino, ESP32, STM32, sensors, and portable devices where space-saving and reliable power regulation are critical.

⭐ Key Features

• Wide Voltage Conversion – Converts 4.5V–28V input down to 0.8V–20V adjustable output.
• 3A Output Capability – Supports up to 3A peak current for powering modules and devices.
• High Efficiency – Up to 92% efficiency reduces heat and improves system performance.
• Low Ripple Output – Less than 30mV ripple ensures stable and clean power delivery.
• Ultra-Compact Design – Small form factor ideal for tight builds and embedded use.
• High Switching Frequency – Up to 1.5MHz for improved transient response and smaller components.

📊 Technical Specifications

• Model: MP1584EN adjustable step-down module
• Type: DC-DC buck converter
• Input Voltage: 4.5V – 28V DC
• Output Voltage: 0.8V – 20V DC adjustable
• Output Current: 3A max
• Efficiency: Up to 92%
• Output Ripple: <30mV
• Switching Frequency: Up to 1.5MHz
• Operating Temperature: -40°C to +85°C
• Dimensions: Approx. 22 × 17 × 4 mm

🧩 Typical Applications

• Arduino and ESP32 power regulation
• STM32 and embedded control systems
• Battery voltage step-down conversion
• Portable electronics and IoT devices
• Sensor and relay power supply
• DIY electronics and prototyping

⚠️ Important Notes

• Step-down (buck) converter only – input voltage must be higher than output.
• Always set output voltage before connecting sensitive electronics.
• Observe correct polarity on input and output terminals.
• Ensure adequate cooling when operating near maximum current.
• No connectors or cables included.

📦 Package Includes

• 1 × MP1584EN 3A Adjustable Buck Converter Module

🔗 Recommended Accessories (Not Included)

• DC power supply – to provide stable input voltage
• Multimeter – for precise voltage adjustment
• Jumper wires – for quick prototyping connections
• Screw terminal connectors – for secure wiring