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CHL8266 Datasheet Digital Multi-Phase GPU Buck Controller

Manufacturer: International Rectifier (now Infineon)

General Description

The CHL8266 is a 6-phase digital synchronous buck controller for regulation of high-performance GPU platforms.

The CHL8266 output VID table is fully compliant with VR11.1 specifications.

The

Overview

Digital Multi-Phase GPU Buck Controller CHL8266.

Key Features

  • GPU-compliant Digital PWM Controller.
  • Programmable 1-phase to 6-phase operation.
  • Configurable switching frequency from 200 kHz to 1MHz per phase with accuracy better than 2%.
  • IR Dynamic Phase Control.
  • 1-phase to 2-phase PSI for Light Loads.
  • Adaptive Transient Algorithm minimizes output bulk capacitors.
  • Enables Thermal Phase Balancing.
  • SMBus interface for configuring and monitoring.
  • Compatible with IR ATL Drivers and Tri-state Drivers.
  • Nine bytes.