Datasheet > RT3662AM

RT3662AM

更新时间： 2024-11-07 21:16:27

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
38页	643K
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RT3662AM 技术参数

Status：	Active	VID Table Support：	SVI2
Number of Phases：	3	Vcc (typ) (V)：	5
Vin (min) (V)：	4.5	Vin (max) (V)：	24
Accuracy (Vout>=1V) (+/- %)：	0.5	Freq (typ) (kHz)：
Built-in DAC Generator：	Yes	Number of MOSFET Drivers：	3
Features：	DCR Current Sense;Diode Emulation Mode;Fast Transient Response;G-NAVP Control;OCP;OVP;Power Good;UVP	Package Type：	WQFN5x5-40

RT3662AM 数据手册

RT3662AM

Dual-Output PWM Controller with 3 Integrated Drivers for

AMD SVI2 Mobile CPU Power Supply

General Description

Features

^2/1-Phase (VDD) + 1/0-Phase (VDDNB) PWM

The RT3662AM is a dual-output PWM controller with 3

integrated drivers, and it is compliant with AMD SVI2

Voltage Regulator Specification to support both CPU core

(VDD) and Northbridge portion of CPU (VDDNB). The

RT3662AM features CCRCOT (Constant Current Ripple

Constant On-Time) with G-NAVP (Green-Native AVP),

which is Richtek’ s proprietary topology. G-NAVP makes

it an easy setting controller to meet allAMDAVP (Adaptive

Voltage Positioning) VDD/VDDNB requirements. The droop

is easily programmed by setting the DC gain of the error

amplifier. With proper compensation, the load transient

response can achieve optimized AVP performance. The

controller also uses the interface to issue VOTF Complete

and to send digitally encoded voltage and current values

for the VDD/VDDNB domains. The RT3662AM can operate

in diode emulation mode to enhance the light load

efficiency. And it provides the current gain adjustment

capability by pin setting. The RT3662AM provides power

good indication, thermal indication (VRHOT_L), and it

features complete fault protection functions including over

current, over voltage and under voltage.

Controller

^3 Embedded MOSFET Drivers

^G-NAVP^TMTopology

^Support Dynamic Load-Line and Zero Load-Line

^Diode Emulation Mode at Light Load Condition

^SVI2 Interface to Comply with AMD Power

Management Protocol

^Adjustable Current Gain Capability

^DVID Enhancement

^0.5% DAC Accuracy

 Differential Remote Voltage Sensing

 Build-in ADC for Pin Setting Programming, Thermal

Indication and V_OUT, I_OUTReporting

 Fast Transient Response

 Power Good Indicator

 Thermal Indicator (VRHOT_L)

 OVP, UVP and UVLO

 Over Current Protection

Applications

 AMD SVI2 Mobile CPU

 Laptop Computer

Simplified Application Circuit

RT3662AM

VRHOT_L

PHASE1

MOSFET

VDD

SVC

PHASE2

To CPU

SVD

PHASE_NB

MOSFET

SVT

VDDNB

is a registered trademark of Richtek Technology Corporation.

DS3662AM-00 July 2019

www.richtek.com

12 3 4 5 6 7...38

中文翻译

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与RT3662AM相关器件

型号	品牌	获取价格	描述	数据表
RT3662EB	RICHTEK	获取价格	暂无描述
RT3663BC	RICHTEK	获取价格	暂无描述
RT3663BH	RICHTEK	获取价格	暂无描述
RT3663BM	RICHTEK	获取价格	暂无描述
RT3663BR	RICHTEK	获取价格	Dual-Output PWM Controller with 3 Integrated Drivers for AMD SVI2 Mobile CPU Power Supply
RT3667BB	RICHTEK	获取价格	暂无描述
RT3667BE	RICHTEK	获取价格	Dual-Output PWM Controller for AMD SVI2 CPU Power Supply
RT3667BL	RICHTEK	获取价格	暂无描述
RT3667BQ	RICHTEK	获取价格	Dual-Output PWM Controller with 2 Integrated Drivers for AMD SVI2 CPU Power Supply
RT3667BT	RICHTEK	获取价格	暂无描述

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