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LM27262 - Intel CPU Core Voltage Regulator Controller

General 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.

Key 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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Full PDF Text Transcription for LM27262 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for LM27262. For precise diagrams, and layout, please refer to the original PDF.

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: L...

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age 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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