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AOZ2261QI-15 - 28V/8A Synchronous Regulator

General Description

The AOZ2261QI-15 is a high-efficiency, easy-to-use DC/ DC synchronous buck regulator that operates up to 28V.

The device is capable of supplying 8A of continuous output current with an output voltage adjustable down to 0.8V (±1.0%).

Key Features

  • multiple protection functions such as VCC under-voltage lockout, cycle-by-cycle current limit, output over-voltage protection, short-circuit protection, and thermal shutdown. The AOZ2261QI-15 is available in a 4mm x 4mm QFN22L package and is rated over a -40°C to +85°C ambient temperature range. Efficiency 100 95 Efficiency vs. Load Current FSW = 450kHz VOUT = 1.05V Efficiency (%) 90 85 80 6.0V 8.4V 75 12.0V 19.5V 70 0 1 2 3 4 5 6 7 8 Output Current (A) Features.
  • Wide.

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Other Datasheets by Alpha & Omega Semiconductors

Part Number Description
AOZ2261QI-10 28V/8A Synchronous Regulator
AOZ2261AQI-15 28V/8A Synchronous Regulator
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Full PDF Text Transcription (Reference)

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AOZ2261QI-15 28V/8A Synchronous EZBuckTM Regulator General Description The AOZ2261QI-15 is a high-efficiency, easy-to-use DC/ DC synchronous buck regulator that operates up to 28V. The device is capable of supplying 8A of continuous output current with an output voltage adjustable down to 0.8V (±1.0%). 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 on-time can be externally programmed up to 2.6µs. The device features multiple protection functions such as VCC under-voltage lockout, cycle-by-cycle current limit, output over-voltage protection, short-circuit protection, and thermal shutdown.