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AOZ2231CQI-11 - 28V/4A Synchronous Regulator

Datasheet Summary

Description

The AOZ2231CQI-11 is an I2C controllable, high efficiency, easy-to-use DC-DC synchronous buck regulator capable of operation from a 6.5V to 28V input bus.

Features

  • Wide input voltage range.
  • 6.5V to 28V.
  • 4A continuous output current.
  • Output voltage adjustable from 0.9V to 1.190625V in 9.375mV.
  • ±2.0% output voltage accuracy for I2C control.
  • Low RDS(ON) internal NFETs.
  • 28m high-side.
  • 28m low-side.
  • Constant On-Time with input feed-forward.
  • Selectable PFM Light-Load Operation.
  • Ceramic capacitor stable.
  • Power Good output.
  • I2C address programming.
  • Integrated bootstrap diode.

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Datasheet Details

Part number AOZ2231CQI-11
Manufacturer Alpha & Omega Semiconductors
File Size 1.38 MB
Description 28V/4A Synchronous Regulator
Datasheet download datasheet AOZ2231CQI-11 Datasheet
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Full PDF Text Transcription

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AOZ2231CQI-11 I2C Controllable 28V/4A Synchronous EZBuckTM Regulator General Description The AOZ2231CQI-11 is an I2C controllable, high efficiency, easy-to-use DC-DC synchronous buck regulator capable of operation from a 6.5V to 28V input bus. Ability to control the output voltage using the I2C bus simplifies converter design for microprocessors or SoCs that require dynamic voltage scaling or voltage margining. The device is capable of supplying 4A of continuous output current with an output voltage adjustable from 0.9V to 1.190625V (±2.0%). The AOZ2231CQI-11 integrates an internal linear regulator to generate 5.3V VCC from input. If input voltage is lower than 5.
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