AMS1117 3.3V DC-DC Step Down Power Supply Module | Voltage Regulator Board

Description

AMS1117 3.3V DC-DC Step Down Power Supply Module

The AMS1117 3.3V DC-DC Step Down Power Supply Module is a compact and reliable voltage regulation module designed to provide a stable 3.3V output from higher DC input voltages. Built around the popular AMS1117 voltage regulator IC, this module is widely used in Arduino, ESP8266, ESP32, IoT, embedded systems, and DIY electronics projects.

Many modern microcontrollers, sensors, and wireless modules require a clean and stable 3.3V power supply. The AMS1117 3.3V module simplifies power management by converting higher input voltages into a regulated 3.3V output with minimal external components.

🔍 Key Features of AMS1117 3.3V DC-DC Step Down Power Supply Module

• Fixed 3.3V regulated output

• Based on AMS1117 voltage regulator IC

• Compact and lightweight PCB design

• Stable and reliable voltage regulation

• Onboard filtering capacitors

• Easy to integrate into breadboard or PCB designs

• Suitable for low-power electronics

• Ideal for Arduino, ESP8266, ESP32 & sensors

• Cost-effective power solution

• Widely used in embedded development

⚙️ How the AMS1117 3.3V Power Supply Module Works

The AMS1117 3.3V DC-DC Step Down Power Supply Module uses a linear voltage regulation method. When a higher DC voltage is applied to the input pin, the AMS1117 IC drops the excess voltage and regulates the output to a steady 3.3V.

Onboard capacitors help reduce voltage ripple and noise, ensuring a clean output suitable for sensitive microcontrollers and RF modules. This makes the module particularly useful when powering Wi-Fi modules, sensors, and logic circuits.

📊 Technical Specifications

🔌 Pin Description

Typical pins on the AMS1117 3.3V module include:

• VIN – Input voltage

• GND – Ground

• VOUT (3.3V) – Regulated output voltage

This simple pin layout allows quick and easy integration into any project.

🧩 Compatibility & Integration

The AMS1117 3.3V DC-DC Step Down Power Supply Module is compatible with:

• Arduino UNO / Nano / Mega

• ESP8266 Wi-Fi modules

• ESP32 development boards

• STM32 boards

• Sensors and logic ICs

• RF and communication modules

• Breadboards and custom PCBs

It is commonly used to convert 5V logic power to 3.3V safely.

🧪 Common Applications

This module is widely used in:

• Arduino and microcontroller projects

• ESP8266 / ESP32 Wi-Fi projects

• IoT devices

• Sensor power supply circuits

• Embedded systems

• DIY electronics

• Prototyping and testing

• Educational labs and training kits

🎓 Ideal for Education & Prototyping

The AMS1117 3.3V DC-DC Step Down Power Supply Module is extensively used in:

• Engineering colleges and universities

• Embedded systems labs

• IoT and robotics workshops

• STEM education programs

• Student mini and final-year projects

It helps learners understand voltage regulation, power management, and safe powering of electronics.

⚠️ Usage Tips & Best Practices

• Ensure sufficient heat dissipation at high current

• Do not exceed recommended input voltage

• Avoid drawing maximum current continuously

• Use proper grounding for stable output

• Ideal for low to moderate power loads

📦 Package Includes

• 1 × AMS1117 3.3V DC-DC Step Down Power Supply Module

✅ Why Buy from INFYNIQS

• Genuine and quality-tested power modules

• Suitable for DIY, education & professional use

• Bulk and institutional supply available

• Trusted electronics components marketplace

• Technical support for embedded projects

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