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IR3538A - Digital Multi-Phase Buck Controller

This page provides the datasheet information for the IR3538A, a member of the IR3536A Digital Multi-Phase Buck Controller family.

Datasheet Summary

Description

The IR3536A and IR3538A are dual-loop digital multi-phase buck controllers.

The IR3536A drive up to 6 phases and the IR3538A drives up to 8 phases.

The IR3536A and IR3538A are fully Intel® VR12 and AMD® SVI/PVI compliant on both loops and provide a Vtt tracking function for DDR memory.

Features

  • 6-phase & 8-phase dual output PWM Controller.
  • Phases are flexibly assigned between Loops 1 & 2.
  • Intel® VR12, AMD® 3.4MHz SVI/PVI & Memory modes.
  • Overclocking & Gaming Mode with Vmax setting.
  • Switching frequency from 200kHz to 1.2MHz per phase.
  • IR Efficiency Shaping Features including Variable Gate Drive and Dynamic Phase Control.
  • Programmable 1-phase or 2-phase for Light Loads and Active Diode Emulation for Very Light Loads.
  • IR Adaptive Transient Algorith.

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Datasheet preview – IR3538A

Datasheet Details

Part number IR3538A
Manufacturer International Rectifier
File Size 489.71 KB
Description Digital Multi-Phase Buck Controller
Datasheet download datasheet IR3538A Datasheet
Additional preview pages of the IR3538A datasheet.

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Full PDF Text Transcription

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Digital Multi-Phase Buck Controller IR3536A IR3538A FEATURES  6-phase & 8-phase dual output PWM Controller  Phases are flexibly assigned between Loops 1 & 2  Intel® VR12, AMD® 3.4MHz SVI/PVI & Memory modes  Overclocking & Gaming Mode with Vmax setting  Switching frequency from 200kHz to 1.
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