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AOZ23655RQI - 28V/18A VID Control Synchronous 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.

Key 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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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.