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CM3202-00SM PDF预览

CM3202-00SM

更新时间： 2024-11-21 04:12:19
品牌 Logo 应用领域
CALMIRCO 总线通信稳压器驱动程序和接口接口集成电路光电二极管双倍数据速率
页数 文件大小 规格书
12页 351K
描述
DDR VDDQ and Termination Voltage Regulator

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中文翻译

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CM3202-00SM 技术参数

生命周期：Transferred零件包装代码：SOIC
包装说明：SOP,针数：8
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.41
Is Samacsys：N接口集成电路类型：BUS TERMINATOR SUPPORT CIRCUIT
JESD-30 代码：R-PDSO-G8JESD-609代码：e0
功能数量：1端子数量：8
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
认证状态：Not Qualified表面贴装：YES
端子面层：TIN LEAD端子形式：GULL WING
端子位置：DUALBase Number Matches：1

CM3202-00SM 数据手册

 浏览型号CM3202-00SM的Datasheet PDF文件第2页浏览型号CM3202-00SM的Datasheet PDF文件第3页浏览型号CM3202-00SM的Datasheet PDF文件第4页浏览型号CM3202-00SM的Datasheet PDF文件第5页浏览型号CM3202-00SM的Datasheet PDF文件第6页浏览型号CM3202-00SM的Datasheet PDF文件第7页 
PRELIMINARY  
CM3202  
DDR VDDQ and Termination Voltage Regulator  
Product Description  
Features  
•
Two linear regulators  
The CM3202 is a dual-output low noise linear regulator  
designed to meet SSTL-2 and SSTL-3 specifications  
-Maximum 2A current from VDDQ  
-Source and sink up to 2A VTT current  
1.7V to 2.8V adjustable VDDQ output voltage  
500mV typical VDDQ dropout voltage at 2A  
VTT tracking at 50% of VDDQ  
Excellent load and line regulation, low noise  
Fast transient response  
Meet JEDEC DDR-I and DDR-II memory power spec.  
Linear regulator design requires no inductors and has  
low external component count  
Integrated power MOSFETs  
Dual purpose ADJ/Shutdown pin  
Built-in over-current limit with short-circuit foldback and  
thermal shutdown for VDDQ and VTT  
Fast transient response  
for DDR-SDRAM V  
supply and termination voltage  
DDQ  
•
•
•
V
supply. With integrated power MOSFET’s, the  
TT  
CM3202 can source up to 2A of V  
source or sink up to 2A V current. The typical drop-  
current, and  
DDQ  
TT  
•
•
•
•
out voltage for V  
is 500 mV at 2A load current.  
DDQ  
The CM3202 provides fast response to transient load  
changes. Load regulation is excellent, less than 1%,  
from no load to full load. It also has built-in over-current  
limits and thermal shutdown at 170°C.  
•
•
•
The CM3202 is packaged in an easy-to-use TDFN-8  
and SOIC-8. Low thermal resistance (55°C/W) allows it  
•
•
•
(1)  
to withstand 1.55W  
can operate over the industrial ambient temperature  
range of –40°C to 85°C.  
dissipation at 85°C ambient. It  
5mA quiescent current  
TDFN-8 and SOIC-8 packages for high performance  
thermal dissipation and easy PC board layout  
Optional RoHS Compliant Lead-free packaging  
•
Applications  
Note(1)  
:
If TDFN-8 is mounted on a double-sided printed circuit board with  
two square inches of copper area, it can to withstand 2W dissipation  
at 85°C ambient then.  
•
•
•
•
•
•
•
•
DDR memory and active termination buses  
Desktop Computers, Servers  
Residential and Enterprise Gateways  
DSL Modems  
Routers and Switchers  
DVD recorders  
3D AGP cards  
LCD TV and STB  
Typical Application  
3.3V  
VDDQ  
VDDQ  
220u  
4.7u  
220u  
4.7u  
C hip  
S et  
1
2
8
7
DL0  
DLn  
VIN  
VDDQ  
VDDQ  
RT0  
VIN  
887  
CM3202  
3
4
6
5
VTT  
ADJSD  
RTn  
DDR  
REF Memory  
845  
GND  
GND  
220u  
4.7u  
S/D  
1.25V, 2.5A  
1k  
VTT  
1u  
VREF  
© 2006 California Micro Devices Corp. All rights reserved.  
05/08/06 490 N. McCarthy Blvd., Milpitas, CA 95035-5112  
l
Tel: 408.263.3214  
l
Fax: 408.263.7846  
l
www.cmd.com  
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中文翻译

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