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NCP5393 - 2/3/4-Phase Controller

Description

Pin No.

5 V supply pin for the NCP5393.

Features

  • Meets AMD’s Hybrid VR Specifications.
  • Up to Four VDD Phases.
  • Single.
  • Phase VDDNB Controller.
  • Dual.
  • Edge PWM for Fastest Initial Response to Transient Loading.
  • High Performance Operational Error Amplifiers.
  • Internal Soft Start and Slew Rate Limiting.
  • Dynamic Reference Injection (Patent #US07057381).
  • DAC Range from 12.5 mV to 1.55 V.
  • $0.5% DAC Accuracy fro 0.8 V to 1.55 V.
  • VDD and VDDNB Offset.

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Datasheet preview – NCP5393

Datasheet Details

Part number NCP5393
Manufacturer ON Semiconductor
File Size 287.41 KB
Description 2/3/4-Phase Controller
Datasheet download datasheet NCP5393 Datasheet
Additional preview pages of the NCP5393 datasheet.

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Full PDF Text Transcription

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NCP5393 2/3/4-Phase Controller for CPU Applications The NCP5393 is a multiphase synchronous buck regulator controller designed to power the Core and Northbridge of an AMD microprocessor. The controller has a user configurable two, three, or four phase regulator for the Core and an independent single phase regulator to power the microprocessor Northbridge. The NCP5393 incorporates differential voltage sensing, differential phase current sensing, optional load−line voltage positioning, and programmable VDD and VDDNB offsets to provide accurately regulated power parallel− and serial−VID AMD processors. Dual−edge multiphase modulation provides the fastest initial response to dynamic load events.
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