---
product_id: 98948402
title: "5Pcs MP1584EN ultra Small DC-DC 3A power Step-Down Adjustable Module Buck Converter 24V To 12v 9V 5V 3V for Arduino"
brand: "dollatek"
price: "HK$98"
currency: HKD
in_stock: true
url: https://www.desertcart.hk/products/98948402-5pcs-mp1584en-ultra-small-dc-dc-3a-power-step-down
store_origin: HK
region: Hong Kong
---

# 3A max output current Compact 22x17x4 mm size Wide 4.5-28V input range 5Pcs MP1584EN ultra Small DC-DC 3A power Step-Down Adjustable Module Buck Converter 24V To 12v 9V 5V 3V for Arduino

**Brand:** dollatek
**Price:** HK$98
**Availability:** ✅ In Stock

## Summary

> 🔌 Tiny module, massive power — step down in style!

## Quick Answers

- **What is this?** 5Pcs MP1584EN ultra Small DC-DC 3A power Step-Down Adjustable Module Buck Converter 24V To 12v 9V 5V 3V for Arduino by dollatek
- **How much does it cost?** HK$98 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/98948402-5pcs-mp1584en-ultra-small-dc-dc-3a-power-step-down)

## Best For

- dollatek enthusiasts

## Why This Product

- Trusted dollatek brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to endure:** Operates reliably from -45°C to 85°C in any environment
- • **Compact powerhouse:** Ultra-small form factor fits anywhere on your PCB
- • **Plug and play confidence:** 5-pack ensures you never run out of reliable step-down modules
- • **Efficient energy conversion:** Up to 92% efficiency minimizes heat and power loss
- • **Power your projects with precision:** Adjustable 0.8V to 20V output for ultimate control

## Overview

The DollaTek MP1584EN is a mini DC-DC buck converter module delivering up to 3A output current with adjustable voltage from 0.8V to 20V. Its compact 22x17x4 mm size and wide input range (4.5V to 28V) make it perfect for Arduino and other DIY electronics projects. With up to 92% conversion efficiency and a robust operating temperature range (-45°C to 85°C), this 5-piece set ensures reliable, efficient power management for professional-grade prototyping and development.

## Description

DollaTek 5Pcs MP1584EN ultra Small DC-DC 3A power Step-Down Adjustable Module Buck Converter 24V To 12v 9V 5V 3V for Arduino

## Features

- Mini MP1584EN DC to DC buck converter step-down module with a wide operating range
- Input voltage: 4.5 V to 28 V; Output voltage: 0.8 V to 20 V
- Output current: 3 A (maximum); Conversion efficiency: 92% (maximum)
- Output ripple: less than 30 mV; Switching frequency: 1.5 MHz (highest), typically 1 MHz
- Operating temperature: -45 ℃ to 85 ℃; Size: 22 mm by 17 mm by 4 mm; Warning: do not reverse the positive and negative terminals to avoid any possible damage; Do not use light load (less than 10% of output power) or without load

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Specification met | IECEx |
| UPC | 742548981815 |
| Manufacturer | DollaTek |
| Product Dimensions | 0.4 x 2.2 x 0.4 cm; 10 g |
| Item model number | 742548981815 |
| Item Package Quantity | 1 |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 10 g |

## Product Details

- **Brand:** DollaTek
- **Power source:** Electrical Cable
- **Product dimensions:** 4D x 22W x 4H millimetres
- **Mounting type:** PCB Mount
- **Current rating:** 3 Amps

## Images

![5Pcs MP1584EN ultra Small DC-DC 3A power Step-Down Adjustable Module Buck Converter 24V To 12v 9V 5V 3V for Arduino - Image 1](https://m.media-amazon.com/images/I/61zRTkoTE3L.jpg)

## Frequently Bought Together

- DollaTek 5Pcs MP1584EN ultra Small DC-DC 3A power Step-Down Adjustable Module Buck Converter 24V To 12v 9V 5V 3V for Arduino
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**Shop now:** [https://www.desertcart.hk/products/98948402-5pcs-mp1584en-ultra-small-dc-dc-3a-power-step-down](https://www.desertcart.hk/products/98948402-5pcs-mp1584en-ultra-small-dc-dc-3a-power-step-down)

---

*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-03-08*