---
product_id: 523544087
title: "DollaTek 1117-3.3 DC Voltage Regulator Step Down Power Supply Module 4.75V-12V to 3.3V 800mA - 10pcs"
brand: "dollatek"
price: "€ 33.10"
currency: EUR
in_stock: true
url: https://www.desertcart.de/products/523544087-dollatek-1117-3-3-dc-voltage-regulator-step-down-power
store_origin: DE
region: Germany
---

# 4.75-12V input range 3.3V fixed output voltage 0.8A current with overheat protection DollaTek 1117-3.3 DC Voltage Regulator Step Down Power Supply Module 4.75V-12V to 3.3V 800mA - 10pcs

**Brand:** dollatek
**Price:** € 33.10
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your innovation with precision and protection!

## Quick Answers

- **What is this?** DollaTek 1117-3.3 DC Voltage Regulator Step Down Power Supply Module 4.75V-12V to 3.3V 800mA - 10pcs by dollatek
- **How much does it cost?** € 33.10 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/products/523544087-dollatek-1117-3-3-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

- • **Versatile Compatibility:** Ideal for Arduino, STM32, ARM series, and other low-power microcontroller applications—stay ahead in your development game.
- • **Reliable 0.8A Power Output:** Delivers consistent current to power your MCU and FPGA projects without compromise.
- • **Seamless Voltage Step-Down:** Effortlessly converts 4.75-12V DC input to a stable 3.3V output, perfect for precision electronics.
- • **Dual-Panel Design for Easy Integration:** Simplifies your build with a compact, two-sided layout and straightforward 2-pin connections.
- • **Built-In Overheat & Overload Protection:** Safeguards your devices with smart shutdown features, ensuring durability and peace of mind.

## Overview

The DollaTek 1117-3.3 is a compact, efficient DC voltage regulator module that steps down 4.75-12V input to a stable 3.3V output at 0.8A. Featuring a dual-panel design with easy 2-pin connections, it supports a wide range of microcontroller and FPGA projects. Its built-in overheat and overload protection ensures reliable, safe operation for professional-grade electronics development.

## Description

Description:1117-3.3 is a positive Voltage Regulator Step Down Power Supply Module, support DC 4.75-12V input and 3.3V fixed voltage and 0.8A current output.Specifications:Output current: 1ALine adjustment rate: 0.2% (maximum) Load regulation: 0.4% (max.) Package Type: SOT-223Operating junction temperature range: -40 to 125°CWelding temperature (25 seconds): 265°CStorage temperature: - 65~150°COutput voltage: 3.267 to 3.333V (IOUT: 0 to 1A, VIN :4.75V to 12V) Line adjustment (maximum): 10mV (VIN :4.75V to 12V) Load regulation (maximum): 15mV (VIN = 5V, IOUT: 0 to 1A) Voltage difference (maximum): 1.3VCurrent limit: 900 ~ 1500mAQuiescent Current (Max): 10mARipple suppression (minimum): 60dBSize:8.6mm x 12.33mmPackage Included:10 x 1117-3.3 is a positive Voltage Regulator Step Down Power Supply Module

## Features

- 1117-3.3 is a positive Voltage Regulator Step Down Power Supply Module, support DC 4.75-12V input and 3.3V fixed voltage and 0.8A current output.
- The module is suitable for electronic devices such as SCM project design needs 3.3V power supply, It is simple Dual-panel design and the Input output using the 2 Pin single row pin for easy connection. 1117-3.3 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; 3.3V Low power consumption MCU; FPGA/CPLD PLD Programmable Logic Systems; ARM7 ARM9 ARM11 STM32; etc. 1117 overheat shutdown circuit provides overload and over-temperature protection.

## Images

![DollaTek 1117-3.3 DC Voltage Regulator Step Down Power Supply Module 4.75V-12V to 3.3V 800mA - 10pcs - Image 1](https://m.media-amazon.com/images/I/71MYYiXZViL.jpg)

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*Product available on Desertcart Germany*
*Store origin: DE*
*Last updated: 2026-03-05*