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LP2985LV PDF预览

LP2985LV

更新时间： 2024-11-23 05:11:11
品牌 Logo 应用领域
德州仪器 - TI 稳压器输出元件
页数 文件大小 规格书
15页 250K
描述
150-mA LOW-NOISE, LOW-DROPOUT REGULATOR WITH SHUTDOWN FOR OUTPUT VOLTAGES<2.3V

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中文翻译

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LP2985LV 数据手册

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SLVS552 − OCTOBER 2004  
DBV (SOT-23) PACKAGE  
(TOP VIEW)  
D
D
D
D
D
D
D
Available in the Texas Instruments  
NanoStarand NanoFreeWafer Chip  
Scale Packages  
V
GND  
ON/OFF  
V
OUT  
1
2
3
5
4
IN  
Output Tolerance of:  
− 1% (A Grade)  
− 1.5% (Standard Grade)  
BYPASS  
Ultra Low Dropout, Typically  
280 mV at Full Load of 150 mA  
YEQ, YEU, YZQ, OR YZU (WCSP) PACKAGE  
(TOP VIEW)  
Wide V Range . . . 16 V (Max)  
IN  
Low I . . . 850 µA at Full Load at 150 mA  
Q
C3  
C1  
V
V
OUT  
IN  
Shutdown Current . . . 0.01 µA Typ  
Low Noise . . . 30 µV  
Capacitor  
With 10-nF Bypass  
RMS  
BYPASS  
GND  
B2  
D
Stable With Low ESR Capacitors, Including  
Ceramic  
A1  
ON/OFF  
A3  
D
D
D
Over-Current and Thermal Protection  
High Peak Current Capability  
For V  
Options . 2.5 V, See LP2985 Data  
OUT  
Sheet  
D
Portable Applications  
− Cellular Phones  
− Palmtop and Laptop Computers  
− Personal Digital Assistants (PDAs)  
− Digital Cameras and Camcorders  
− CD Players  
− MP3 Players  
description/ordering information  
The LP2985LV family of fixed-output, low-dropout regulators offers exceptional, cost-effective performance for  
both portable and nonportable applications. Available in voltages of 1.25 V, 1.35 V, 1.5 V, 1.7 V, 1.8 V, and  
2 V, the family has an output tolerance of 1% for the A version (1.5% for the non-A version), and is capable of  
delivering 150-mA continuous load current. Standard regulator features, such as over-current and  
over-temperature protection, are included.  
The LP2985LV has a host of features that makes the regulator an ideal candidate for a variety of portable  
applications:  
• Low dropout: A PNP pass element allows a typical dropout of 280 mV at 150-mA load current.  
• 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 µA when the  
ON/OFF pin is pulled low.  
• Low-ESR-capacitor friendly: The regulator is stable with low ESR capacitors, allowing for the use of  
small, inexpensive ceramic capacitors in cost-sensitive applications.  
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.  
NanoStar and NanoFree are trademarks of Texas Instruments.  
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Copyright 2004, Texas Instruments Incorporated  
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1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...15

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LP2986AILD-3.3/NOPB TI

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