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IR3581 Datasheet - International Rectifier

Dual Output Digital Multi-Phase Controller

IR3581 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 Dr

IR3581 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. The IR3581 includes IR’s Efficiency Shaping Technology to deliver exceptional efficiency at minimum cost ac.

IR3581 Datasheet (251.57 KB)

Preview of IR3581 PDF

Datasheet Details

Part number:

IR3581

Manufacturer:

International Rectifier

File Size:

251.57 KB

Description:

Dual output digital multi-phase controller.

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TAGS

IR3581 Dual Output Digital Multi-Phase Controller International Rectifier

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