---
product_id: 453576082
title: "DollaTek AMS1117-5.5V DC Voltage Regulator Step Down Power Supply Module 4.75V-12V to 5V 800mA - 10pcs"
brand: "dollatek"
price: "HK$155"
currency: HKD
in_stock: true
url: https://www.desertcart.hk/products/453576082-dollatek-ams1117-5-5v-dc-voltage-regulator-step-down-power
store_origin: HK
region: Hong Kong
---

# 0.8A stable current output 4.75V-12V versatile input range built-in overheat & overload protection DollaTek AMS1117-5.5V DC Voltage Regulator Step Down Power Supply Module 4.75V-12V to 5V 800mA - 10pcs

**Brand:** dollatek
**Price:** HK$155
**Availability:** ✅ In Stock

## Summary

> 🔌 Power your innovation with precision and protection!

## Quick Answers

- **What is this?** DollaTek AMS1117-5.5V DC Voltage Regulator Step Down Power Supply Module 4.75V-12V to 5V 800mA - 10pcs by dollatek
- **How much does it cost?** HK$155 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/453576082-dollatek-ams1117-5-5v-dc-voltage-regulator-step-down-power)

## 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

- • **Robust Safety Features:** Overheat shutdown and overload protection ensure durability
- • **Wide Input Compatibility:** Supports 4.75V to 12V DC input for flexible power sources
- • **Compact Dual-Panel Design:** Streamlined 2-pin connection for effortless integration
- • **Reliable 5.5V Power Delivery:** Consistent voltage output perfect for sensitive MCU projects
- • **Ideal for Cutting-Edge Development:** Perfect match for Arduino, STM32, FPGA, and other advanced boards

## Overview

The AMS1117-5.5V is a compact, efficient step-down voltage regulator module delivering a stable 5.5V output at up to 0.8A from a wide 4.75V-12V input range. Designed for professional-grade electronics projects, it features a simple dual-panel layout with easy 2-pin connections and built-in overheat and overload protection, making it ideal for powering MCUs, Arduino boards, FPGA systems, and other advanced programmable logic devices.

## Description

DollaTek AMS1117-5.5V DC Voltage Regulator Step Down Power Supply Module 4.75V-12V to 5V 800mA - 10pcs

## Features

- AMS1117-5.5is a positive Voltage Regulator Step Down Power Supply Module, support DC 4.75-12V input and 5.5V fixed voltage and 0.8A current output.
- The module is suitable for electronic devices such as SCM project design needs 5.5V power supply, It is simple Dual-panel design and the Input output using the 2 Pin single row pin for easy connection. AMS1117-3.3 pinout can be easy to connected with your MCU development and provide the contant power supply.
- Applicable for high-efficiency linear regulator Published Active Power Regulator Battery Charger Active instrument.
- Applications: Arduino UNO MEGA2560; MSP430 Development Board; 5.5V Low power consumption MCU; FPGA/CPLD PLD Programmable Logic Systems; ARM7 ARM9 ARM11 STM32; etc. AMS1117 overheat shutdown circuit provides overload and over-temperature protection.

## Images

![DollaTek AMS1117-5.5V DC Voltage Regulator Step Down Power Supply Module 4.75V-12V to 5V 800mA - 10pcs - Image 1](https://m.media-amazon.com/images/I/71MYYiXZViL.jpg)
![DollaTek AMS1117-5.5V DC Voltage Regulator Step Down Power Supply Module 4.75V-12V to 5V 800mA - 10pcs - Image 2](https://m.media-amazon.com/images/I/71nFclQLQYL.jpg)
![DollaTek AMS1117-5.5V DC Voltage Regulator Step Down Power Supply Module 4.75V-12V to 5V 800mA - 10pcs - Image 3](https://m.media-amazon.com/images/I/71whXd+5s9L.jpg)
![DollaTek AMS1117-5.5V DC Voltage Regulator Step Down Power Supply Module 4.75V-12V to 5V 800mA - 10pcs - Image 4](https://m.media-amazon.com/images/I/71EUSzJSssL.jpg)
![DollaTek AMS1117-5.5V DC Voltage Regulator Step Down Power Supply Module 4.75V-12V to 5V 800mA - 10pcs - Image 5](https://m.media-amazon.com/images/I/51bZ4yKtzmL.jpg)

## Frequently Bought Together

- DollaTek AMS1117-5.5V DC Voltage Regulator Step Down Power Supply Module 4.75V-12V to 5V 800mA - 10pcs
- Elegoo 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Wires Ribbon Cables Kit for arduino

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**Shop now:** [https://www.desertcart.hk/products/453576082-dollatek-ams1117-5-5v-dc-voltage-regulator-step-down-power](https://www.desertcart.hk/products/453576082-dollatek-ams1117-5-5v-dc-voltage-regulator-step-down-power)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-01-22*