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FAN53180 - 6-Bit VID Controlled 2-4 Phase DC-DC Controller

Description

The FAN53180 is a multi-phase DC-DC controller for implementing high-current, low-voltage, CPU core power regulation circuits.

It is part of a chipset that includes external MOSFET drivers and power MOSFETS.

The FAN53180 drives up to 4 synchronous-rectified buck channels in parallel.

Features

  • Precision Multi-Phase DC-DC Core Voltage Regulation.
  • ±14.5mV Output Voltage Accuracy Over Temperature.
  • Differential Remote Voltage Sensing.
  • Selectable 2, 3, or 4 Phase Operation.
  • Up to 1MHz per Phase Operation (4MHz ripple Frequency).
  • Lossless Inductor Current Sensing for Loadline Compensation.
  • External Temperature Compensation.
  • Accurate Load-Line Programming (Meets Intel VRM/ VRD10 CPU Specifications).
  • Accurate Cha.

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Full PDF Text Transcription

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www.fairchildsemi.com FAN53180 6-Bit VID Controlled 2-4 Phase DC-DC Controller www.datasheet4u.com Features • Precision Multi-Phase DC-DC Core Voltage Regulation – ±14.5mV Output Voltage Accuracy Over Temperature • Differential Remote Voltage Sensing • Selectable 2, 3, or 4 Phase Operation • Up to 1MHz per Phase Operation (4MHz ripple Frequency) • Lossless Inductor Current Sensing for Loadline Compensation – External Temperature Compensation • Accurate Load-Line Programming (Meets Intel VRM/ VRD10 CPU Specifications) • Accurate Channel-Current Balancing for Thermal Optimization and Layout Compensation • Convenient 12V Supply Biasing • 6-bit Voltage Identification (VID) Input – 0.8375V to 1.600V in 12.
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