NCP81022 Datasheet (onsemi) - Dual Output 4 Phase Plus 1 Phase Digital Controller

NCP81022, Dual Output 4 Phase Plus 1 Phase Digital Controller

Pin No.

Symbol Description 1 PWROK Active high system wide power ok signal 2 SVD Serial VID data line 3 SVT Serial VID telemetry line 4 SVC Serial VID clock line 5 VDDIO VDDIO is an interface power rail that serves as a reference for SVI2 interface 6 SCL serial clock line, Open

NCP81022 Dual Output 4 Phase Plus 1 Phase Digital Controller with SVI2 Interface for Desktop and Notebook CPU Applications www.onsemi.com The NCP81022 dual output four plus one phase buck solution is optimized for AMD® SVI2 CPUs.

The controller combines true differential voltage sensing, differential inductor DCR current sensing, input voltage feed forward, and adaptive voltage positioning to provide accurately regulated power for both desktop and notebook applications.

The control sy

NCP81022 Features

* Meets AMD’S SVI2 Specifications

* Four phase CPU Voltage Regulator

* One phase North Bridge Voltage Regulator

* Current Mode Dual Edge Modulation for Fast Initial Response to Transient Loading

* Dual High Performance Operational Error Amplifier