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RT3661AB PDF预览

RT3661AB

更新时间： 2024-09-18 14:44:31
品牌 Logo 应用领域
立锜 - RICHTEK /
页数 文件大小 规格书
36页 2183K
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RT3661AB 技术参数

Status：ActiveVID Table Support：SVI2
Number of Phases：1;1Vcc (typ) (V)：5
Vin (min) (V)：4.5Vin (max) (V)：26
Accuracy (Vout>=1V) (+/- %)：0.5Freq (typ) (kHz)：400
Built-in DAC Generator：YesNumber of MOSFET Drivers：2
Features：Diode Emulation Mode;Fast Transient Response;G-NAVP Control;OCP;OVP;Power Good;UVPPackage Type：WQFN5x5-40

RT3661AB 数据手册

 浏览型号RT3661AB的Datasheet PDF文件第2页浏览型号RT3661AB的Datasheet PDF文件第3页浏览型号RT3661AB的Datasheet PDF文件第4页浏览型号RT3661AB的Datasheet PDF文件第5页浏览型号RT3661AB的Datasheet PDF文件第6页浏览型号RT3661AB的Datasheet PDF文件第7页 
RT3661AB  
Dual-Output PWM Controller with 2 Integrated Drivers for  
AMD SVI2 Mobile CPU Power Supply  
General Description  
Features  
1-Phase (VDD) + 1/0-Phase (VDDNB) PWM  
The RT3661AB is a dual-output PWM controller with 2  
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 RT3661AB features CCRCOT (Constant Current  
Controller  
2 Embedded MOSFET Drivers  
TM  
G-NAVP Topology  
Support Dynamic Load-Line and Zero Load-Line  
Diode Emulation Mode at Light Load Condition  
SVI2 Interface to Comply with AMD Power  
Management Protocol  
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 all AMD  
AVP (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 RT3661AB can operate in  
diode emulation mode to enhance the light load  
efficiency. And it provides the current gain adjustment  
capability by pin setting. The RT3661AB provides  
power good indication, thermal indication (VRHOT_L),  
and it features complete fault protection functions  
including over current, over voltage, under voltage.  
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  
Fast Transient Response  
Power Good Indicator  
, I  
Reporting  
OUT OUT  
Thermal Indicator (VRHOT_L)  
OVP, UVP and UVLO  
Over Current Protection  
Applications  
AMD SVI2 Mobile CPU  
Laptop Computer  
Simplified Application Circuit  
RT3661AB  
VRHOT_L  
PHASE  
MOSFET  
MOSFET  
V
V
VDD  
SVC  
To CPU  
SVD  
PHASE_NB  
VDDNB  
SVT  
Copyright © 2019 Richtek Technology Corporation. All rights reserved.  
is a registered trademark of Richtek Technology Corporation.  
DS3661AB-05 May 2019  
www.richtek.com  
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RT3662AC RICHTEK

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 		Dual-Output PWM Controller with 3 Integrated Drivers for AMD SVI2 Mobile CPU Power Supply
RT3662AM RICHTEK

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RT3662EB RICHTEK

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RT3663BC RICHTEK

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RT3663BH RICHTEK

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RT3663BM RICHTEK

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RT3663BR RICHTEK

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 		Dual-Output PWM Controller with 3 Integrated Drivers for AMD SVI2 Mobile CPU Power Supply
RT3667BB RICHTEK

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RT3667BE RICHTEK

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 		Dual-Output PWM Controller for AMD SVI2 CPU Power Supply
RT3667BL RICHTEK

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