Part CHL8266
Description Digital Multi-Phase GPU Buck Controller
Manufacturer International Rectifier
Size 259.26 KB
International Rectifier

CHL8266 Overview

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.

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 of NVM storage available for customer use