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CM3202-02SM PDF预览

CM3202-02SM

更新时间： 2024-11-18 20:10:59
品牌 Logo 应用领域
CALMIRCO 光电二极管接口集成电路
页数 文件大小 规格书
12页 369K
描述
Fixed/Adjustable Positive Standard Regulator, 2 Output, 2.45V1 Min, 1.225V2 Min, 2.55V1 Max, 1.275V2 Max, PDSO8, ROHS COMPLIANT, SOIC-8

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CM3202-02SM 技术参数

生命周期：Obsolete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：5.66
接口集成电路类型：BUS TERMINATOR SUPPORT CIRCUITJESD-30 代码：R-PDSO-G8
长度：4.9 mm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
座面最大高度：1.75 mm表面贴装：YES
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL宽度：3.9 mm
Base Number Matches：1

CM3202-02SM 数据手册

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PRELIMINARY  
CM3202-02  
DDR VDDQ and VTT Termination Voltage Regulator  
Features  
Product Description  
The CM3202-02 is a dual-output low noise linear  
regulator designed to meet SSTL-2 and SSTL-3  
•
Two linear regulators  
-Maximum 2A current from VDDQ  
-Source and sink up to 2A VTT current  
1.7V to 2.8V adjustable VDDQ output voltage  
0.85V to 1.4V VTT output voltage (tracking at 50% of  
VDDQ)  
specifications for DDR-SDRAM V  
supply and  
DDQ  
•
•
termination voltage V supply. With integrated power  
TT  
MOSFETs the CM3202-02 can source up to 2A of  
VDDQ continuous current, and source or sink up to 2A  
VTT continuous current. The typical dropout voltage for  
VDDQ is 500mV at 2A load current.  
•
•
•
•
500mV typical VDDQ dropout voltage at 2A  
Excellent load and line regulation, low noise  
Meet JEDEC DDR-I and DDR-II memory power spec  
Linear regulator design requires no inductors and has  
low external component count  
The CM3202-02 provides excellent full load regulation  
and fast response to transient load changes. It also has  
built-in over-current limits and thermal shutdown at  
170°C.  
•
•
•
Integrated power MOSFETs  
Dual purpose ADJ/Shutdown pin  
Built-in over-current limit and thermal shutdown for VDDQ  
and VTT  
Fast transient response  
Low quiescent current  
TDFN-8 RoHS compliant lead-free package  
SOIC-8 RoHS compliant lead-free package  
The CM3202-02 supports Suspend-To-RAM (STR)  
and ACPI compliance with Shutdown Mode which tri-  
states VTT to minimize quiescent system current.  
•
•
•
•
The CM3202-02 is available in a space saving TDFN-8  
and SOIC-8 surface mount packages. Low thermal  
resistance allows them to withstand high power  
dissipation at 85°C ambient. The CM3202-02 can  
operate over the industrial ambient temperature range  
of –40°C to 85°C.  
Applications  
•
•
•
•
•
•
•
•
DDR memory and active termination buses  
Desktop computers, servers  
Residential and enterprise gateways  
DSL modems  
Routers and switches  
DVD recorders  
3D AGP cards  
LCD TV and STB  
Typical Application  
VIN = 3.0V to 3.6V  
VDDQ = 2.5V/2A  
CIN  
220μ/F/  
10V  
4.7μF/10V  
cer  
CDDQ  
VDDQ  
4.7μF/10V, cer  
VDDQ  
220μF/  
10V  
C hip  
S et  
DL0  
1
8
7
VIN  
NC  
VDDQ  
RT0  
R1  
10k  
2
ADJSD  
DLn  
CM3202-02  
VTT = 1.25V/2A  
3
4
6
5
GND  
VTT  
RTn  
R2  
10k  
CTT  
DDR  
REF Memory  
4.7μF/  
10V  
cer  
220μF/  
10V  
S/D  
NC  
GND  
C
f
1. 25V, 2.5A  
VTT  
1μF/10V  
cer  
R
f
VREF  
51  
© 2007 California Micro Devices Corp. All rights reserved.  
05/25/07  
490 N. McCarthy Blvd., Milpitas, CA 95035-5112  
●
Tel: 408.263.3214  
●
Fax: 408.263.7846  
●
www.cmd.com  
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