AMS1117 3.3V Power Supply Module

AMS1117 3.3V Power Supply Module 

The AMS1117 3.3V power supply module is a compact linear voltage regulator module designed to step down a higher DC input voltage to a stable 3.3V output. Based on the reliable AMS1117 regulator IC, it is commonly used to power 3.3V microcontrollers, sensors, and wireless modules in embedded and DIY electronics projects.

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Features

• Regulator Type: Linear step-down regulator
• Controller IC: AMS1117
• Input Voltage Range: 4.5V – 12V DC (recommended)
• Output Voltage: 3.3V DC (regulated)
• Maximum Output Current: Up to 800mA (with proper heat dissipation)
• Low ripple and stable output voltage
• Built-in over-current and thermal protection
• Compact PCB module with onboard capacitors

Applications

• 3.3V microcontrollers (ESP8266, ESP32, STM32, etc.)
• Sensors and RF modules
• Breadboard and prototyping projects
• Embedded and educational electronics
• Low-power DIY applications