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TJ2997GDP

更新时间： 2024-11-06 08:48:27
品牌 Logo 应用领域
韩国泰进 - HTC 稳压器双倍数据速率
页数 文件大小 规格书
13页 406K
描述
DDR Termination Regulator

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中文翻译

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TJ2997GDP 数据手册

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DDR Termination Regulator  
TJ2997  
FEATURES  
z
z
z
z
z
z
z
z
Source and sink current  
SOP8 / SOP8-PP PKG  
Low output voltage offset  
No external resistors required  
Linear topology  
Suspend to Ram (STR) functionality  
Low external component count  
Thermal Shutdown  
Available in SOP8, SOP8-PP Package  
s
ORDERING INFORMATION  
APPLICATION  
Device  
Package  
z
z
z
DDR -II and -III Termination Voltage  
SSTL Termination  
TJ2997GD  
TJ2997GDP  
SOP8  
SOP8-PP  
HSTL Termination  
DESCRIPSION  
The TJ2997 linear regulator is designed to meet the JEDEC SSTL specifications for termination of DDR-  
SDRAM. The device contains a high-speed operational amplifier to provide excellent response to load  
transients. The output stage prevents shoot through while delivering up to 1.5A continuous current and  
transient peaks up to 3A with respect to PVIN operating condition in the application as required for DDR-  
SDRAM termination. The TJ2997 also incorporates a VSENSE pin to provide superior load regulation and a  
VREF output as a reference for the chipset and DIMMs. An additional feature found on the TJ2997 is an  
active high enable (EN) pin that provides Suspend To RAM (STR) functionality. When EN is pulled low the  
VTT output will tri-state providing a high impedance output, but, VREF will remain active. A power savings  
advantage can be obtained in this mode through lower quiescent current.  
Absolute Maximum Ratings  
CHARACTERISTIC  
SYMBOL  
MIN.  
MAX.  
UNIT  
V
PVIN  
AVIN  
VDDQ  
-0.3  
-0.3  
-0.3  
6.0  
6.0  
6.0  
Supply Voltage to GND  
Lead Temperature (Soldering, 10 sec)  
Storage Temperature Range  
TSOL  
TSTG  
260  
150  
125  
℃
℃
℃
-65  
-40  
Operating Junction Temperature Range  
TJOPR  
Recommended Operation Range  
CHARACTERISTIC  
AVIN to GND  
SYMBOL  
AVIN  
MIN.  
2.3  
0
MAX.  
5.5  
UNIT  
V
V
PVIN & EN to GND  
PVIN & EN  
AVIN  
Ordering Information  
Package  
SOP8  
Order No.  
TJ2997GD  
TJ2997GDP  
Description  
Package Marking  
TJ2997G  
Supplied As  
Reel  
DDR Termination Regulator  
DDR Termination Regulator  
SOP8-PP  
TJ2997G  
Reel  
Apr, 2011 - R1.0.1  
1/13  
HTC  
1234567...13

中文翻译

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