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LP2989AILD-1.8 PDF预览

LP2989AILD-1.8

更新时间: 2024-01-04 20:47:45
品牌 Logo 应用领域
美国国家半导体 - NSC 稳压器电容器
页数 文件大小 规格书
11页 685K
描述
Micropower 500 mA Low Noise Low Dropout Regulator for Applications with Output Voltages < 2V Designed for Use with Very Low ESR Output Capacitors

LP2989AILD-1.8 技术参数

是否Rohs认证: 符合生命周期:Transferred
包装说明:LLP-8Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:7.73可调性:FIXED
标称回动电压 1:0.31 V最大绝对输入电压:16 V
最大输入电压:16 V最小输入电压:2.8 V
JESD-30 代码:S-PDSO-N8JESD-609代码:e3
长度:4 mm最大电网调整率:0.0076%
湿度敏感等级:3功能数量:1
输出次数:1端子数量:8
工作温度TJ-Max:125 °C工作温度TJ-Min:-40 °C
最大输出电流 1:0.5 A最大输出电压 1:1.845 V
最小输出电压 1:1.737 V标称输出电压 1:1.8 V
封装主体材料:PLASTIC/EPOXY封装代码:HVSON
封装等效代码:SOLCC8,.15,32封装形状:SQUARE
封装形式:SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE包装方法:RAIL
峰值回流温度(摄氏度):260认证状态:Not Qualified
调节器类型:FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR座面最大高度:0.8 mm
子类别:Other Regulators表面贴装:YES
技术:BIPOLAR端子面层:Matte Tin (Sn)
端子形式:NO LEAD端子节距:0.8 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
最大电压容差:4%宽度:4 mm

LP2989AILD-1.8 数据手册

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February 2005  
LP2989LV  
Micropower 500 mA Low Noise Low Dropout Regulator  
<
for Applications with Output Voltages 2V  
Designed for Use with Very Low ESR Output Capacitors  
General Description  
Features  
n Ultra low dropout voltage  
The LP2989LV is a 500 mA fixed-output voltage regulator  
designed to provide high performance and low noise in  
n Guaranteed 500 mA continuous output current  
n Very low output noise with external capacitor  
n SO-8, Mini SO-8, 8 Lead LLP surface mount packages  
<
applications requiring output voltages 2V.  
Output noise can be reduced to 18µV (typical) by connecting  
an external 10 nF capacitor to the bypass pin.  
<
n
0.8 µA quiescent current when shutdown  
Using an optimized VIP (Vertically Integrated PNP) pro-  
n Low ground pin current at all loads  
cess, the LP2989LV delivers superior performance:  
n 0.75% output voltage accuracy (“A” grade)  
n High peak current capability (800 mA typical)  
n Wide supply voltage range (16V max)  
n Overtemperature/overcurrent protection  
n −40˚C to +125˚C junction temperature range  
@
Ground Pin Current: Typically 3 mA 500 mA load, and  
@
110 µA 100 µA load.  
Sleep Mode: The LP2989LV draws less than 0.8 µA quies-  
cent 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  
Precision Output: Guaranteed output voltage accuracy is  
0.75% (“A” grade) and 1.25% (standard grade) at room  
temperature.  
n Notebook/Desktop PC  
n PDA/Palmtop Computer  
n Wireless Communication Terminals  
n SMPS Post-Regulator  
For output voltages 2V, see LP2989 datasheet.  
Block Diagram  
10135701  
VIP is a trademark of National Semiconductor Corporation.  
© 2005 National Semiconductor Corporation  
DS101357  
www.national.com  

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