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參數資料
| 型號： | LP2981A-50YEUR |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 100-MA ULTRA DROPOUT REGULATOR WITH SHUTDOWN |
| 中文描述： | 100馬超差穩壓器具有關斷 |
| 文件頁數： | 1/20頁 |
| 文件大小： | 346K |
| 代理商： | LP2981A-50YEUR |
SLVS521B JULY 2004 REVISED OCTOBER 2004
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Available in the Texas Instruments
NanoStar
Chip Scale Package
Fixed/ADJ Versions
Output Tolerance of:
0.75% (A Grade)
1.25% (Standard Grade)
Ultra-Low Dropout, Typically
200 mV at Full Load of 100 mA
7 mV at 1 mA
Wide V
IN
Range . . . 16 V Max
Low I
Q
. . . 600
μ
A Typ at Full Load of
100 mA
Shutdown Current . . . 0.01
μ
A Typ
Fast Transient Response to Line and Load
Overcurrent and Thermal Protection
High Peak Current Capability
Portable Applications
Mobile Phones
Laptops
Personal Digital Assistants (PDAs)
Digital Cameras and Camcorders
CD and MP3 Players
description/ordering information
The LP2981 family of fixed-output, low-dropout regulators offers exceptional, cost-effective performance for
both portable and nonportable applications. Available in adjustable version and in fixed voltages of 1.8 V,
2.5 V, 2.7 V, 2.8 V, 2.9 V, 3 V, 3.2 V, 3.3 V, 3.6 V, and 5 V, the family has an output tolerance of 0.75% for the
A-grade devices (1.25% for the standard grade) and is capable of delivering 100-mA continuous load current.
Standard regulator features, such as over-current and over-temperature protection, are included.
The LP2981 has features that make the regulator an ideal candidate for a variety of portable applications:
Low dropout: A PNP pass element allows a typical dropout of 200 mV at 100-mA load current and 7 mV
at 1-mA load.
Low quiescent current: The use of a vertical PNP process allows for quiescent currents that are
considerably lower than those associated with traditional lateral PNP regulators.
Shutdown: A shutdown feature is available, allowing the regulator to consume only 0.01
μ
A
when the
ON/OFF pin is pulled low.
Small packaging: For the most space-constraint needs, the regulator is available in SOT-23 package
and NanoStar
chip scale packaging. NanoStar package technology is a major breakthrough in IC
packaging concepts, using the die as the package.
Copyright
2004, Texas Instruments Incorporated
DBV (SOT-23) PACKAGE
(TOP VIEW)
1
2
3
5
4
V
IN
GND
ON/OFF
V
OUT
ADJ/NC
ON/OFF
YEQ, YEU, YZQ, OR YZU (WCSP) PACKAGE
(TOP VIEW)
2
5
1
4
3
GND
ADJ/NC
V
OUT
V
IN
Must be left open in fixed-output versions
NanoStar is a trademark of Texas Instruments.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LP2981AIBP-2.5 | 功能描述:IC REG LDO 2.5V .1A 5USMD RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - 線性 系列:- 標準包裝:1 系列:- 穩壓器拓撲結構:正，固定式 輸出電壓:4V 輸入電壓:最高 16V 電壓 - 壓降（標準）:0.28V @ 150mA 穩壓器數量:1 電流 - 輸出:150mA 電流 - 限制（最小）:- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:5-VFBGA 供應商設備封裝:5-uSMD 包裝:Digi-Reel® 其它名稱:LP2985AIBP-4.0DKR |
| LP2981AIBP-3.2 | 功能描述:IC REG LDO 3.2V .1A 5USMD RoHS:否 類別:集成電路 (IC) >> PMIC - 穩壓器 - 線性 系列:- 標準包裝:1 系列:- 穩壓器拓撲結構:正，固定式 輸出電壓:4V 輸入電壓:最高 16V 電壓 - 壓降（標準）:0.28V @ 150mA 穩壓器數量:1 電流 - 輸出:150mA 電流 - 限制（最小）:- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:5-VFBGA 供應商設備封裝:5-uSMD 包裝:Digi-Reel® 其它名稱:LP2985AIBP-4.0DKR |
| LP2981AIBP-3.3 | 功能描述:IC REG LDO 3.3V .1A 5-MICROSMD RoHS:否 類別:集成電路 (IC) >> PMIC - 穩壓器 - 線性 系列:- 標準包裝:1 系列:- 穩壓器拓撲結構:正，固定式 輸出電壓:4V 輸入電壓:最高 16V 電壓 - 壓降（標準）:0.28V @ 150mA 穩壓器數量:1 電流 - 輸出:150mA 電流 - 限制（最小）:- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:5-VFBGA 供應商設備封裝:5-uSMD 包裝:Digi-Reel® 其它名稱:LP2985AIBP-4.0DKR |
| LP2981AIBPX-2.5 | 功能描述:IC REG LDO 2.5V .1A 5MICROSMD RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - 線性 系列:- 標準包裝:1 系列:- 穩壓器拓撲結構:正，固定式 輸出電壓:4V 輸入電壓:最高 16V 電壓 - 壓降（標準）:0.28V @ 150mA 穩壓器數量:1 電流 - 輸出:150mA 電流 - 限制（最小）:- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:5-VFBGA 供應商設備封裝:5-uSMD 包裝:Digi-Reel® 其它名稱:LP2985AIBP-4.0DKR |
| LP2981AIBPX-3.2 | 功能描述:IC REG LDO 3.2V .1A 5MICROSMD RoHS:是 類別:集成電路 (IC) >> PMIC - 穩壓器 - 線性 系列:- 標準包裝:1 系列:- 穩壓器拓撲結構:正，固定式 輸出電壓:4V 輸入電壓:最高 16V 電壓 - 壓降（標準）:0.28V @ 150mA 穩壓器數量:1 電流 - 輸出:150mA 電流 - 限制（最小）:- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:5-VFBGA 供應商設備封裝:5-uSMD 包裝:Digi-Reel® 其它名稱:LP2985AIBP-4.0DKR |
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