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RT8855 Datasheet 4/3/2/1-Phase PWM Controller

Manufacturer: Richtek

General Description

The RT8855 is a 4/3/2/1-phase synchronous buck controller with two integrated MOSFET drivers for CPU power application and a single-phase buck with integrated MOSFET driver for North-Bridge (NB) chipset.The RT8855 uses differential inductor DCR current sense to achieve phase current balance and active voltage positioning.

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Overview

® RT8855 4/3/2/1-Phase PWM Controller for AMD AM2/AM2+ CPUs General.

Key Features

  • include adjustable operating frequency, power good indication, external error-amp compensation, over voltage protection, over current protection and enable/ shutdown for various.