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參數(shù)資料
| 型號： | CM3131-02SH |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO14 |
| 封裝： | LEAD FREE, PLASTIC, SOP-14 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 533K |
| 代理商： | CM3131-02SH |
2004 California Micro Devices Corp. All rights reserved.
02/02/04
430 N. McCarthy Blvd., Milpitas, CA 95035-5112 Tel: 408.263.3214 Fax: 408.263.7846
www.calmicro.com
CM3131
1
Triple Linear Voltage Regulator for DDR-I/-II Memory
Features
Integrated power solution for DDR-I and DDR-II
memory systems with few external components
Three all-linear regulators for V
DDQ
, V
TT
and
V
STBY
power supply applications
Lowest system cost and smallest footprint for
DDR power solutions
V
DDQ
regulator/driver utilizes external N-FET to
provide up to 15A current at 2.5V/1.8V
V
TT
source/sink regulator provides up to 2A at
1.25V for DDR-I systems or 0.65A at 0.9V for
the DDR-II memory controller (not DDR-II
memory)
LDO standby regulator provides up to 500mA at
2.5V for DDR-I and at 1.8V for DDR-II systems
Can be ganged for higher current applications
Over temperature and reverse current protection
Over current protection for V
STBY
and V
TT
regulator
Available in 8 lead and 14 lead PSOP packages
Lead-free versions available
Applications
Desktop PCs, notebooks, and workstations
Set top boxes, digital TVs, printers
Embedded systems
Product Description
The CM3131 family of all-linear regulators provides
an integrated power solution for DDR-I/-II memory
systems in both run-time and standby modes of
operation. The CM3131 is ideal for designs
incorporating both a main 3.3V and a standby (3.3V
or 5V) supply. The CM3131 features three
independent linear regulators for V
DDQ
, V
TT
and V
STBY
supply regulation and will maintain an accuracy of
±1% across the operating temperature range.
The CM3131 is offered in two configurations. The
CM3131-01/11 drives a single external N-FET on a
single V
DDQ
rail. The CM3131-02 drives two external
unmatched N-FETs on two V
DDQ
rails. Each V
DDQ
rail
incorporates an adjustment pin (SENSE) to enable
setting V
DDQ
in the 2.2V to 2.8V range, supporting
DIMMs with different supply requirements or DDR-II
type devices.
The CM3131-01/11 is available in 8-lead PSOP
package and the CM3131-02 is available in 14-lead
PSOP package.
The CM3131 devices are also available with optional
lead-free finishing.
Electrical Schematic
Poduc
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CM3131-11SB | SPECIALTY ANALOG CIRCUIT, PDSO8 |
| CMA-02-SL-M6-85 | RF/MICROWAVE FIXED ATTENUATOR |
| CMA-03-SL-M5-85 | RF/MICROWAVE FIXED ATTENUATOR |
| CMA-07-PC-M6-85 | RF/MICROWAVE FIXED ATTENUATOR |
| CMD11-21USOC/TR8 | SINGLE COLOR LED, ORANGE, 1.1 mm |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CM313-10PK | 功能描述:LED T3-1/4 MINI BAYONET 10PK RoHS:是 類別:光電元件 >> LED - 燈更換 系列:* 標(biāo)準(zhǔn)包裝:100 系列:- 可更換燈:- 尺寸/尺寸:T - 1 3/4 波長:- 正向電壓:28V 底座類型:小型帽沿 顏色:黃 Millicandela 等級:22mcd 配置:單一 應(yīng)用:白熾燈替換件，指示燈 其它名稱:925.0112925.0112-ND |
| CM3131-11SB | 制造商:CALMIRCO 制造商全稱:California Micro Devices Corp 功能描述:Triple Linear Voltage Regulator for DDR-I/-II Memory |
| CM3131-11SH | 制造商:CALMIRCO 制造商全稱:California Micro Devices Corp 功能描述:Triple Linear Voltage Regulator for DDR-I/-II Memory |
| CM3132 | 制造商:CALMIRCO 制造商全稱:California Micro Devices Corp 功能描述:Triple Linear Voltage Regulator for DDR-I Memory and CPU |
| CM3132-02SB | 制造商:CALMIRCO 制造商全稱:California Micro Devices Corp 功能描述:Triple Linear Voltage Regulator for DDR-I Memory and CPU |
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