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DC-DC Step Down Power Module 800MA 5V to 3.3V AMS1117

DC-DC Step Down Power Module 800MA 5V to 3.3V AMS1117

This is a compact and efficient voltage regulator module based on the AMS1117-3.3 linear regulator. It is ideal for providing a steady 3.3V output from a 4.5V–7V DC input source. This module is perfect for powering 3.3V devices like sensors, microcontrollers, and communication modules from a 5V or higher power source.

Package Includes:

  • 1 x AMS1117-3.3V Step-Down Voltage Regulator Module

5.25 AED 5.25 AED Tax Included
5.25 AED Tax Included

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Features:

  • Integrated AMS1117-3.3 LDO regulator
  • Low dropout voltage: 1.3V at 1A load
  • Output current: up to 800mA
  • High output voltage accuracy: ±2%
  • Thermal shutdown and current limiting protection
  • Low standby current: 2mA
  • Compact PCB design
  • Easy to integrate into DIY electronics projects

Specifications:

  • Input Voltage: 4.5V – 7V DC (must be at least 1V higher than the output voltage)
  • Output Voltage: 3.3V DC
  • Maximum Output Current: 800mA
  • Dropout Voltage: 1.3V at 1A load
  • Standby Current: 2mA
  • Output Accuracy: ±2% (±1% optional)
  • PCB Dimensions: 8.6mm × 12.3mm

Precautions:

  • Do not exceed the operating voltage range (4.5V–7V input).
  • Ensure the input voltage is at least 1V higher than the desired output.
  • Not suitable for negative or reverse polarity input — may cause permanent damage.
  • Boost modules can only output voltage equal to or greater than input voltage.
  • Buck modules require the input voltage to be 1.5–2V higher than the output voltage to maintain stability.

Applications:

  • Arduino and ESP8266/ESP32 modules
  • Sensor interfacing
  • Embedded systems
  • Communication modules like NRF24L01, HC-05, and more
  • Power regulation for DIY electronics