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NCP5393B - 2/3/4-Phase Controller

Description

Pin No.

5 V supply pin for the NCP5393B.

pin and GND (preferably returned to the package flag).

signal power supply return.

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.
  • $0.6% DAC Accuracy from 0.8 V to 1.55 V.
  • VDD and VDD Offset R.

📥 Download Datasheet

Datasheet preview – NCP5393B

Datasheet Details

Part number NCP5393B
Manufacturer ON Semiconductor
File Size 316.75 KB
Description 2/3/4-Phase Controller
Datasheet download datasheet NCP5393B Datasheet
Additional preview pages of the NCP5393B datasheet.

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Full PDF Text Transcription

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NCP5393B 2/3/4-Phase Controller for CPU Applications The NCP5393B 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 NCP5393B 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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