MP1584EN 3A Adjustable DC-DC Converter Board Power Supply Module

The MP1584EN 3A Adjustable DC-DC Converter Board Power Supply Module step-down module packs 3 A of regulated DC output into a 17 × 22 × 4 mm package — one of the smallest high-current converters available. Operating at 1.5 MHz with 92% efficiency, it delivers stable, low-ripple power to the most space-constrained embedded designs. Set your voltage with a screwdriver and go.

🔹 Key Applications

• Space-constrained wearable and portable electronics
• Drone flight controller and sensor power supplies
• Miniature IoT device power regulation
• PCB-mounted power regulation in custom product designs
• Raspberry Pi Zero and similar compact board power

🔹 Why Choose This Module?

• One of the smallest 3 A modules available — 17 × 22 × 4 mm
• 1.5 MHz high-frequency switching — ultra-low output ripple
• 92% efficiency — runs cool without forced cooling
• 0.8 V minimum output — lowest-voltage microcontroller compatible
• Industrial temperature range (-45°C to +85°C)

🔹 Technical Specifications

• Chipset: MP1584EN
• Input Voltage: 4.5 V – 28 V DC
• Output Voltage: 0.8 V – 20 V DC (adjustable)
• Output Current: 3 A max
• Conversion Efficiency: Up to 92%
• Output Ripple: <30 mV
• Switching Frequency: 1.5 MHz typical
• Dimensions: 17 × 22 × 4 mm

🔹 What's Included

1 × Ultra-small MP1584EN DC-DC Step-Down Module

🔹 Pro Tip

💡 At just 17 × 22 mm, this module fits directly on a custom PCB with only the adjustment potentiometer extending beyond the footprint. Pre-set your voltage before soldering into a final product to avoid readjustment in situ.

⚠️ Note: Always ensure proper heat dissipation and correct voltage configuration before powering connected devices.