MAX1888

Low-Cost Integrated Offset Logic for Notebook CPU Power Supplies

Data Sheet (Rev. 1)
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Overview

  • Simple, Low-Cost Offset Voltage Control for CPU Core Power Supplies
  • IMVP II Logic Interface
  • +3V to +5.5V Supply Voltage
  • Low 30µA (max) Supply Current
  • 8-Pin µMAX Package

    • The MAX1888 is a three-input decoder with three open-drain outputs. It is used with the MAX1718 or a similar DC-to-DC controller to offset the CPU core voltage in notebook computers. Designed to interface with low- voltage logic, the MAX1888 can program the controller for three independent offsets. The circuit is extremely low cost and is available in an 8-pin µMAX package.

    Applications

    • CPU Core Supplies for IMVP-II Notebook Computers
    MAX1888
    Low-Cost Integrated Offset Logic for Notebook CPU Power Supplies
    MAX1888: Typical Operating Circuit
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    Documentation

    Data Sheet 1

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