About this item

AMS1117-3.3 – Voltage Regulator Module (Fixed 3.3V Output)

⚡ Reliable 3.3V Conversion
The AMS1117-3.3 is a compact linear voltage regulator module that converts an input voltage from 4.5V to 12V into a stable 3.3V output. Perfect for powering microcontrollers, sensors, and logic circuits requiring a precise supply.

🛡️ Functions & Protections

• 🔁 Fixed 3.3V output to safely power sensitive electronics.
• ⚡ Output current up to 800 mA (depending on conditions).
• 🔄 Overheat protection thanks to linear regulator design.
• 🧰 Easy to integrate with standard pins (IN, GND, OUT).

📦 Technical Specifications

• 🔌 Input Voltage: 4.5V – 12V DC
• 🔋 Output Voltage: 3.3V ±2%
• 🎯 Output Current: max. 800 mA (recommended ≤ 500 mA for continuous use)
• 🌡️ Operating Temperature: -40°C to +125°C
• 📏 Dimensions: 26 mm x 11 mm x 9 mm

🛠️ Applications

• 🤖 Power supply for microcontrollers (ESP8266, ESP32, STM32, etc.)
• 🏠 IoT and home automation projects
• 🧪 Electronics prototyping
• 🔌 Stable 5V → 3.3V conversion for sensors and logic modules

⚠️ Usage Notes

• 🔌 Keep input voltage within range (≥4.5V, ≤12V).
• ❗ Provide heatsinking if output current exceeds 500 mA.
• 🔧 Check polarity before connecting.
• ✨ Use external capacitors for improved stability.

✨ Key Features

• 🔌 Input: 4.5V – 12V DC
• 🔋 Fixed Output: 3.3V
• 🎯 Max. Current: 800 mA
• ⚡ Stable and reliable linear regulator
• 📏 Compact module, easy to integrate