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FAN5067 Datasheet ACPI Dual Switch Controller

Manufacturer: Fairchild (now onsemi)

Overview: www.fairchildsemi.com FAN5067 ACPI Dual Switch Controller.

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General Description

The FAN5067 is an ACPI Switch Controller for Pentium IV Platforms.

It is controlled by PWROK, SLP_S3 and SLP_S5, and provides 3.3V or 5V Dual and VADJ Dual output for SDRAM or DDR with 200mA minimum base current for an external NPN transistor.

An on-board precision low TC reference achieves tight tolerance voltage regulation without expensive external components.

Key Features

  • Implements ACPI control with PWROK, SLP_S3 and SLP_S5.
  • Switch and linear regulator controller for 3.3V or 5V Dual.
  • Linear regulator controller and linear regulator for VADJ Dual output adjustable from 2.5V to 3.5V.
  • Break-before-Make.
  • Drives all N-Channel MOSFETs plus NPN.
  • Latched overcurrent protection for outputs.
  • Power-up softstarts for the linear regulators.
  • UVLO guarantees correct operation for all conditions.

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