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LM27262 - Intel CPU Core Voltage Regulator Controller

Description

The LM27262 is a versatile synchronous buck voltage regulator controller designed according to the Intel VRD10 Specification.

It’s a fixed-frequency voltage-mode control PWM with average current modulation of the reference voltage to achieve the desired output impedance.

Features

  • 1.
  • 234 Compatible with “VRD10 Voltage Regulation Specification” for Intel Pentium 4 and Prescott Processors.
  • Supports Intel SpeedStep™ Technology ( Geyserville-III™), which Enables Real-Time Dynamic Switching of the CPU Core Voltage and the CPU Clock Frequency.
  • Uses External Gate Drivers (LM2724) for Maximum Layout Flexibility and Noise Immunity.
  • Fixed Frequency PWM Architecture.
  • Pin Selectable Internal or External Voltage Reference.
  • 0.5% Core.

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Datasheet preview – LM27262

Datasheet Details

Part number LM27262
Manufacturer Texas Instruments
File Size 415.10 KB
Description Intel CPU Core Voltage Regulator Controller
Datasheet download datasheet LM27262 Datasheet
Additional preview pages of the LM27262 datasheet.

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Full PDF Text Transcription

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OBSOLETE LM27262 www.ti.com SNVS262C – MAY 2004 – REVISED SEPTEMBER 2011 LM27262 Intel CPU Core Voltage Regulator Controller for VRD10 Compatible PCs Check for Samples: LM27262 FEATURES 1 •234 Compatible with “VRD10 Voltage Regulation Specification” for Intel Pentium 4 and Prescott Processors • Supports Intel SpeedStep™ Technology ( Geyserville-III™), which Enables Real-Time Dynamic Switching of the CPU Core Voltage and the CPU Clock Frequency • Uses External Gate Drivers (LM2724) for Maximum Layout Flexibility and Noise Immunity • Fixed Frequency PWM Architecture • Pin Selectable Internal or External Voltage Reference • 0.5% Core Voltage Set-Point Accuracy when Using External Voltage Reference • 0.
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