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AOZ23655RQI - 28V/18A VID Control Synchronous Regulator

Datasheet Summary

Description

The AOZ23655RQI is a high-efficiency, easy-to-use DC/DC synchronous buck regulators capable of operation from a 4V to 28V input bus.

The device is capable of supplying 18A of continuous output current with an output voltage adjustment from 0V to 1.8V by controlling VID0 and VID1 signals.

Features

  • Wide input voltage range - 4V to 28V.
  • Support Intel ITDC up to 18A.
  • Support Intel ICCMAX up to 45A.
  • 2 bits programmable output voltage adjustable from 0V to 1.8V.
  • Integrated high performance trench MOSFETs capable of : - High peak current - Up to 90A with 10ms on pulse - Up to 120A with 10μs on pulse - Low RDS(ON) internal NFETs - 6.5mΩ high-side - 3mΩ low-side.
  • Constant On-Time with input feed-forward.
  • Programmable frequency up to.

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Datasheet Details

Part number AOZ23655RQI
Manufacturer Alpha & Omega Semiconductors
File Size 2.39 MB
Description 28V/18A VID Control Synchronous Regulator
Datasheet download datasheet AOZ23655RQI Datasheet
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Full PDF Text Transcription

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AOZ23655RQI 28V/18A VID Control Synchronous EZBuckTM Regulator General Description The AOZ23655RQI is a high-efficiency, easy-to-use DC/DC synchronous buck regulators capable of operation from a 4V to 28V input bus. The device is capable of supplying 18A of continuous output current with an output voltage adjustment from 0V to 1.8V by controlling VID0 and VID1 signals. A proprietary constant on-time PWM control with input feed-forward results in ultra-fast transient response while maintaining relatively constant switching frequency over the entire input voltage range. The devices feature multiple protection functions such as VCC under-voltage lockout, cycle-by-cycle current limit, output over-voltage protection, short-circuit protection, and thermal shutdown.
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