RT9643中文资料立锜科技数据手册PDF规格书

厂商型号	RT9643
功能描述	5 Channel ACPI Regulator with Step-Down DC/DC Controller
文件大小	443.86 Kbytes
页面数量	17 页
生产厂商	RICHTEK
中文名称	立锜科技
网址	网址
数据手册	下载地址一下载地址二到原厂下载
更新时间	2026-1-23 20:26:00
人工找货	RT9643价格和库存，欢迎联系客服免费人工找货

General Description

The RT9643 is a combo regulator which is compliant to ACPI specification for desktop/motherboard power

management and system application.

特性 Features

Integrated 5 Channels Power Regulator

`DC/DC Buck PWM Regulator for VDDQ(2.5V or 1.8V)

`Linear Regulator Supports 1.5Amp Peak Sinking/

Sourcing Capability for VTT

`1.2V Ultra-Low-Dropout Linear Controller for GMCH VTT Power

`3.3VSB Linear Regulator Supports 1.25A Capability

`5VDL Switch Control

`3VDL Switch Control

Conform to ACPI Specification

` Support Power Management at S0, S3, and S5 State

300kHz Fixed Frequency Switching

RDS(ON)Current Sensing or Optional Current Sense Resistor for Precision Over Current Detect

Embedded Synchronous Boot-Strapped Diode

Power Good Signal Indication for All Voltages

Thermal Shutdown

24-Lead VQFN Package

RoHS Compliant and 100 Lead (Pb)-Free

Applications

DDR VDDQ and VTT Voltage Generator with ACPI Support

Desktop System Power

Servers System Power