CHL8318-20 - International Rectifier

CHL8318-20 Digital Multi-Phase Buck Controller

The CHL8318-20 is an 8-phase digital synchronous buck controller for core regulation of high-performance Intel® VR11.1 and VR11.0 platforms. The CHL8318-20 is fully compliant with VR11.1 including Power Status Indicator (PSI) and for improved light load efficiency and accurate current output (IMON). The IR CHL8318-20 includes a customized set of digital over.

Features

 Intel VR11.x compliant Digital PWM Controller
 Programmable 1-phase to 8-phase operation
 Customized Digital Over-Clocking features an easy-to-use SMBus Gamer command and a Gamer VID control up to 2.3V, Gamer Vmax, VID Override or Track, Digital Load-Line Adjust, Gamer OC/OVP, Gamer OFF pin and Gamer OTP
 IR Efficiency Shaping features a Variable Gate Drive and Dynamic Phase Control
 1-phase to 4-phase PSI for Light Loads
 Adaptive Transient Algorithm minimizes capacitors
 Designed for use with coupled inductors
 Enables Thermal Phase Balancing
 SMBus Fault Indicators: OVP, UVP, OCP,.