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LP2986AILDX-3.0 PDF预览

LP2986AILDX-3.0

更新时间: 2024-11-25 23:47:43
品牌 Logo 应用领域
其他 - ETC 稳压器
页数 文件大小 规格书
17页 441K
描述
Fixed & Adjustable Voltage Regulator

LP2986AILDX-3.0 数据手册

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January 2002  
LP2986  
Micropower, 200 mA Ultra Low-Dropout Fixed or  
Adjustable Voltage Regulator  
General Description  
The LP2986 is a 200 mA precision LDO voltage regulator  
which offers the designer a higher performance version of  
the industry standard LP2951.  
Features  
n Ultra low dropout voltage  
n Guaranteed 200 mA output current  
n SO-8 and mini-SO8 surface mount packages  
<
1 µA quiescent current when shutdown  
n Low ground pin current at all loads  
Using an optimized VIP (Vertically Integrated PNP) pro-  
n
cess, the LP2986 delivers superior performance:  
@
Dropout Voltage: Typically 180 mV 200 mA load, and 1  
n 0.5% output voltage accuracy (“A” grade)  
n High peak current capability (400 mA typical)  
n Wide supply voltage range (16V max)  
n Overtemperature/overcurrent protection  
n −40˚C to +125˚C junction temperature range  
@
mV 1 mA load.  
@
Ground Pin Current: Typically 1 mA 200 mA load, and  
@
200 µA 10 mA load.  
Sleep Mode: The LP2986 draws less than 1 µA quiescent  
current when shutdown pin is pulled low.  
Error Flag: The built-in error flag goes low when the output  
drops approximately 5% below nominal.  
Applications  
n Cellular Phone  
Precision Output: The standard product versions available  
can be pin-strapped (using the internal resistive divider) to  
provide output voltages of 5.0V, 3.3V, or 3.0V with guaran-  
teed accuracy of 0.5% (“A” grade) and 1% (standard grade)  
at room temperature.  
n Palmtop/Laptop Computer  
n Camcorder, Personal Stereo, Camera  
Block Diagram  
01293501  
VIP is a trademark of National Semiconductor Corporation.  
© 2002 National Semiconductor Corporation  
DS012935  
www.national.com  

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