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LM3881MMX PDF预览

LM3881MMX

更新时间: 2024-09-09 04:44:19
品牌 Logo 应用领域
美国国家半导体 - NSC /
页数 文件大小 规格书
14页 242K
描述
Power Sequencer

LM3881MMX 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:MSOP-8Reach Compliance Code:not_compliant
HTS代码:8542.39.00.01风险等级:5.05
模拟集成电路 - 其他类型:ANALOG CIRCUITJESD-30 代码:S-PDSO-G8
JESD-609代码:e0长度:3 mm
湿度敏感等级:1功能数量:1
端子数量:8最高工作温度:125 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装等效代码:TSSOP8,.19
封装形状:SQUARE封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260电源:3/5 V
认证状态:Not Qualified座面最大高度:1.09 mm
子类别:Power Management Circuits最大供电电流 (Isup):0.11 mA
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):2.7 V
标称供电电压 (Vsup):3.3 V表面贴装:YES
温度等级:AUTOMOTIVE端子面层:Tin/Lead (Sn85Pb15)
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:3 mmBase Number Matches:1

LM3881MMX 数据手册

 浏览型号LM3881MMX的Datasheet PDF文件第2页浏览型号LM3881MMX的Datasheet PDF文件第3页浏览型号LM3881MMX的Datasheet PDF文件第4页浏览型号LM3881MMX的Datasheet PDF文件第5页浏览型号LM3881MMX的Datasheet PDF文件第6页浏览型号LM3881MMX的Datasheet PDF文件第7页 
February 6, 2008  
LM3881  
Power Sequencer  
General Description  
The LM3881 Power Sequencer offers the easiest method to  
control power up and power down of multiple power supplies  
(switching or linear regulators). By staggering the startup se-  
quence, it is possible to avoid latch conditions or large in-rush  
currents that can affect the reliability of the system.  
Features  
Easiest method to sequence rails  
Power up and power down control  
Input voltage range of 2.7V to 5.5V  
Small footprint MSOP-8 package  
Low quiescent current of 80 µA  
Available in MSOP-8 package, the Power Sequencer con-  
tains a precision enable pin and three open drain output flags.  
Upon enabling the LM3881, the three output flags will se-  
quentially release, after individual time delays, permitting the  
connected power supplies to startup. The output flags will fol-  
low a reverse sequence during power down to avoid latch  
conditions. Time delays are defined using an external capac-  
itor and the output flag states can be inverted by the user.  
Output invert feature  
Timing controlled by small value external capacitor  
Applications  
Multiple Supply Sequencing  
Microprocessor / Microcontroller Sequencing  
FPGA Sequencing  
Typical Application Circuit  
30048401  
© 2008 National Semiconductor Corporation  
300484  
www.national.com  

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