DC to DC Converter by Alpha & Omega Semiconductor

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AOZ29303QI Image

The AOZ29303QI from Alpha & Omega Semiconductor is a Non-Isolated DC-DC Converter that steps down from an input voltage of 4.5-30 V to a DC output voltage of 0.8-5.5 V. It has a programmable switching frequency from 200 kHz to 1 MHz and has an efficiency of up to 93%. This converter provides an output current of 3 A. It allows configurable options using a few external components and allows the user to optimize the module for a wide variety of transient response requirements and output capacitance. This RoHS-compliant converter incorporates cycle-by-cycle over-current protection, short-circuit protection, over-voltage protection, and over-temperature protection circuitries to prevent over-load-related damages in the circuit. It is available in a surface-mount package that measures 9 x 6 x 3.7 mm and is ideal for use in industrial and commercial low power systems, aftermarket auto accessories, networking datacom equipment, and high voltage battery applications.

Product Specifications

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Product Details

  • Part Number
  • Manufacturer
    Alpha & Omega Semiconductor
  • Description
    30 V Buck DC-DC Converter for Datacom and High-Voltage Applications


  • Type
    Buck/Step down
  • Configuration
  • Number of Output
  • Input Voltage
    4.5 to 30 V
  • Output Voltage 1
    0.8 to 5.5 V
  • Output Current 1
    3000 mA
  • Supply Voltage
    32 V
  • Efficiency
  • Operating Temperature
    -40 to 85 degree C
  • Industry
  • Package Type
    Surface Mount
  • Package
  • Application
    Industrial and commercial low power systems, Aftermarket auto accessories, Networking/Datacom equipment, High voltage battery application
  • Dimension
    9mm x 6mm x 3.7mm
  • Frequency
    0.2 to 1 MHz
  • Number of Outputs
  • ROHS

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