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AOZ23645QI - 28V/16A VID Control Synchronous Regulator

Datasheet Summary

Description

The AOZ23645QI is a high-efficiency, easy-to-use DC/DC synchronous buck regulator capable of operation from a 4 V to 28 V input bus.

The device is capable of supplying 16 A of continuous output current with an output voltage adjustment from 0 V to 1.8 V by controlling VID0 and VID1 signals.

Features

  • Wide input voltage range: - 4 V to 28 V.
  • Support Intel ITDC up to 16 A.
  • Support Intel ICCMAX up to 32 A.
  • 2 bits programmable output voltage adjustable from 0 V to 1.8 V.
  • Integrated high performance trench MOSFETs capable of : - High peak current - Up to 45 A with 10ms on pulse - Up to 70 A with 10μs on pulse - Low RDS(ON) internal NFETs - 11 mΩ high-side - 4 mΩ low-side.
  • Constant On-Time with input feed-forward.
  • Selectable PFM light.

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Datasheet Details

Part number AOZ23645QI
Manufacturer Alpha & Omega Semiconductors
File Size 2.37 MB
Description 28V/16A VID Control Synchronous Regulator
Datasheet download datasheet AOZ23645QI Datasheet
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Full PDF Text Transcription

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AOZ23645QI 28 V/16 A VID Control Synchronous EZBuckTM Regulator General Description The AOZ23645QI is a high-efficiency, easy-to-use DC/DC synchronous buck regulator capable of operation from a 4 V to 28 V input bus. The device is capable of supplying 16 A of continuous output current with an output voltage adjustment from 0 V to 1.8 V 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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