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IR3581 - Dual Output Digital Multi-Phase Controller

General Description

The IR3581 is a dual-loop digital multi-phase buck controller designed for CPU voltage regulation, and is fully compliant with Intel® VR12 and compliant with VR12.5 Rev 1.3 PWM specifications.

Key Features

  • Ultra Low Quiescent Power Dual output 6+1 phase PWM Controller.
  • Intel® VR12, VR12.5 & Memory VR modes.
  • Overclocking & Gaming Modes.
  • PVI GPU VR mode.
  • Switching frequency from 194kHz to 2MHz per phase in 56 steps.
  • IR Efficiency Shaping Features including Variable Gate Drive, Dynamic Phase Control and Automatic Power State Switching.
  • Programmable 1-phase or 2-phase operation for Light Loads and Active Diode Emulation for Very Light Loads.
  • IR Adaptive Transie.

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Full PDF Text Transcription for IR3581 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for IR3581. For precise diagrams, and layout, please refer to the original PDF.

Datasheet Product Brief IR3581 Dual Outpu t Digital Multi-Phase Controller FEATURES  Ultra Low Quiescent Power Dual output 6+1 phase PWM Controller  Intel® VR12, VR12....

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scent Power Dual output 6+1 phase PWM Controller  Intel® VR12, VR12.

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