Datasheet > CM3205

CM3205

更新时间： 2024-11-18 04:12:19

品牌	Logo	应用领域
CALMIRCO		稳压器双倍数据速率
页数	文件大小	规格书
10页	228K
描述
DDR VDDQ and Termination Voltage Regulator

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中文翻译

获取价格

数据手册

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CM3205 数据手册

PRELIMINARY

CM3205

DDR V_DDQand Termination Voltage Regulator

Product Description

Features

•

5A continuous current from V

The CM3205 is a dual-output, low noise linear regula-

tor designed to meet SSTL-2 and SSTL-3 specifica-

DDQ

output voltage

1.8V to 2.6V adjustable V

DDQ

tions for DDR-SDRAM V

supply and termination

DDQ

600-mV typical V

dropout voltage at 5A

DDQ

voltage V supply. With integrated power MOSFET’s,

tracking at 50% of V

DDQ

the CM3205 can source up to 5A of V

current, and

Source and sink up to 2A V current

DDQ

source or sink up to 2A V current. The typical drop-

•

Excellent load and line regulation, low noise

Fast transient response

out voltage for V

is 600-mV at 5A load current.

DDQ

Meets JEDEC DDR-I SDRAM power spec.

Linear regulator design requires no inductors and

has low external component count

Integrated power MOSFETs

Dual purpose ADJ/Shutdown pin

The CM3205 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.

•

Built-in over-current limit with short-circuit foldback

The CM3205 is packaged in an easy-to-use 5-pin

and thermal shutdown for V

and V

DDQ

D PAK (TO263-5) and DPAK (TO252-5). Low thermal

•

5mA quiescent current

(1)

resistance (48°C/W) allows it to withstand 1.7W

sipation at 85°C ambient. It can operate over the indus-

trial ambient temperature range of –40°C to 85°C.

dis-

TO252 andTO263 packages for high performance

thermal dissipation and easy PC board layout

Optional RoHS Compliant Lead-free packaging

•

Applications

•

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

2.50V, 5A

VDDQ

C hip

S et

CM3205

DL0

DLn

RT0

3.3V

RTn

DDR

^REFMemory

680u

S/D

4.7u

V_REF

4.7u

680u

887

845

1.25V, 2.5A

4.7u

680u

05/08/06 490 N. McCarthy Blvd., Milpitas, CA 95035-5112

Tel: 408.263.3214

Fax: 408.263.7846

www.cmd.com

12 3 4 5 6 7...10

中文翻译

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与CM3205相关器件

型号	品牌	获取价格	描述	数据表
CM3205-00TN	CALMIRCO	获取价格	DDR VDDQ and Termination Voltage Regulator
CM3205-00TP	CALMIRCO	获取价格	DDR VDDQ and Termination Voltage Regulator
CM3211	CML	获取价格	T-1 Wire Terminal (standard)
CM3212-02DE	ONSEMI	获取价格	SPECIALTY ANALOG CIRCUIT, PDSO8, 3 X 3 MM., 0.65 MM PITCH, ROHS COMPLIANT, MO-229VEEC-1, T
CM3212-02DE	CALMIRCO	获取价格	Analog Circuit, 1 Func, ROHS COMPLIANT, MO-229WEEC-1, TDFN-8
CM3212-02SM	CALMIRCO	获取价格	Analog Circuit, 1 Func, PDSO8, ROHS COMPLIANT, SOIC-8
CM3212-02SM	ONSEMI	获取价格	SPECIALTY ANALOG CIRCUIT, PDSO8, ROHS COMPLIANT, SOIC-8
CM3216F100KE	SAMWHA	获取价格	General Purpose Inductor, 10uH, 10%, 1 Element, Ferrite-Core, SMD, 3216, CHIP, 3216, ROHS
CM3216F100KT	SAMWHA	获取价格	General Purpose Inductor, 10uH, 10%, 1 Element, Ferrite-Core, SMD, 3216, CHIP, 3216, ROHS
CM3216F120KE	SAMWHA	获取价格	General Purpose Inductor, 12uH, 10%, 1 Element, Ferrite-Core, SMD, 3216, CHIP, 3216, ROHS

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