AMS1117 5V to 3.3V DC-DC STEP-DOWN Voltage Regulator Module

The AMS1117 5V to 3.3V DC-DC Step-Down Power Supply Module is a low-dropout linear voltage regulator designed to provide a stable 3.3V output from higher DC input voltages. It is widely used in embedded systems and electronics projects that require a reliable low-voltage power source. This module is based on the AMS1117 regulator IC , known for its simplicity, stability, and efficiency in low-power applications. It is commonly used to power devices such as microcontrollers, wireless modules, sensors, and communication devices that operate at 3.3V logic levels. The module is compact and easy to integrate into PCB designs, making it ideal for DIY electronics, Arduino projects, and IoT applications. Specifications Product Type: DC-DC Step-Down (Buck) Module Regulator Chip: AMS1117 Input Voltage: DC 4.2V – 10V Output Voltage: 3.3V fixed Output Current: Up to 800mA Module Size: 8.6mm × 12.33mm Efficiency Type: Linear regulator Output Stability: High stability low ripple Operating Temperature: Standard industrial range Applications Power supply for microcontrollers (ESP8266, ESP32 logic circuits) Sensor modules requiring 3.3V IoT devices and embedded systems Arduino and Raspberry Pi projects Wireless communication modules DIY electronics and prototyping Voltage regulation in small circuits Educational electronics experiments