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LP3470IM5-4.38 PDF预览

LP3470IM5-4.38

更新时间: 2024-02-18 12:45:37
品牌 Logo 应用领域
美国国家半导体 - NSC 电源电路电源管理电路复位电路光电二极管
页数 文件大小 规格书
7页 161K
描述
Tiny Power On Reset Circuit

LP3470IM5-4.38 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:SOT-23, 5 PINReach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.09Is Samacsys:N
其他特性:RESET THRESHOLD VOLTAGE IS 4.38V可调阈值:NO
模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUITJESD-30 代码:R-PDSO-G5
JESD-609代码:e0长度:2.92 mm
湿度敏感等级:1信道数量:1
功能数量:1端子数量:5
最高工作温度:85 °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:TSOP5/6,.11,37封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):260
电源:2.4/5 V认证状态:Not Qualified
座面最大高度:1.2 mm子类别:Power Management Circuits
最大供电电流 (Isup):0.03 mA最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):0.5 V标称供电电压 (Vsup):1 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:0.95 mm
端子位置:DUAL阈值电压标称:+4.38V
处于峰值回流温度下的最长时间:40宽度:1.6 mm
Base Number Matches:1

LP3470IM5-4.38 数据手册

 浏览型号LP3470IM5-4.38的Datasheet PDF文件第2页浏览型号LP3470IM5-4.38的Datasheet PDF文件第3页浏览型号LP3470IM5-4.38的Datasheet PDF文件第4页浏览型号LP3470IM5-4.38的Datasheet PDF文件第5页浏览型号LP3470IM5-4.38的Datasheet PDF文件第6页浏览型号LP3470IM5-4.38的Datasheet PDF文件第7页 
June 1999  
LP3470  
Tiny Power On Reset Circuit  
n Custom Reset Threshold Voltages: For other voltages  
between 2.4V and 5.0V contact your National  
Semiconductor representative  
n Very Low Quiescent Current (16 µA typical)  
n Guaranteed Reset valid down to VCC=0.5V  
General Description  
The LP3470 is a micropower CMOS voltage supervisory cir-  
cuit designed to monitor power supplies in microprocessor  
(µP) and other digital systems. It provides maximum adjust-  
ability for power-on-reset (POR) and supervisory functions. It  
is available in the following six standard reset threshold volt-  
age (VRTH) options: 2.63V, 2.93V, 3.08V, 4.00V, 4.38V, and  
4.63V. If other voltage options between 2.4V and 5.0V are  
desired please contact your National Semiconductor repre-  
sentative.  
Features  
n Tiny SOT23-5 Package  
n Open Drain Reset Output  
n Programmable Reset Timeout Period Using an External  
Capacitor  
The LP3470 asserts a reset signal whenever the VCC supply  
voltage falls below a reset threshold. The reset time-out pe-  
riod is adjustable using an external capacitor. Reset remains  
asserted for an interval (programmed by an external capaci-  
tor) after VCC has risen above the threshold voltage.  
n Immune to Short VCC Transients  
Applications  
n Critical µP and µC Power Monitoring  
n Intelligent Instruments  
The device is available in the tiny SOT23-5 package.  
n Computers  
n Portable/Battery-Powered Equipments  
Key Specifications  
±
n
1% Reset Threshold Accuracy Over Temperature  
n Standard Reset Threshold Voltages: 2.63V, 2.93V,  
3.08V, 4.00V, 4.38V, and 4.63V  
Pin Configuration and Basic Operating Circuit  
Pin Configuration  
Basic Operating Circuit  
DS100016-2  
Top View  
See NS Package Number  
MA05B  
DS100016-1  
© 1999 National Semiconductor Corporation  
DS100016  
www.national.com  

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