RT8857 Datasheet 4/3/2/1-Phase PWM Controller

Manufacturer: Richtek

RT8857 4/3/2/1-phase pwm controller by Richtek - Datasheet Preview

Datasheet Details

Part number	RT8857
Manufacturer	Richtek
File Size	392.79 KB
Description	4/3/2/1-Phase PWM Controller
Download	RT8857 Download (PDF)

General Description

The RT8857/A is a 4/3/2/1-phase synchronous buck controller with 2 integrated MOSFET drivers for Intel VR11.1/VR10.x and AMD K8/K8_M2 CPUs power application.

RT8857/A uses differential inductor DCR current sense to achieve phase current balance and active voltage positioning.

Other

Overview

RT8857/A 4/3/2/1-Phase PWM Controller with Embedded Drivers for CPU Core Power.

Key Features

include adjustable operating frequency, adjustable soft start, power good indication, external error-amp compensation, over voltage protection, over current protection, VRHOT sensing and IMON for various.

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