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LR8809 PDF预览

LR8809

更新时间: 2024-11-16 12:01:31
品牌 Logo 应用领域
乐山 - LRC /
页数 文件大小 规格书
7页 441K
描述
ULTRA-SMALL BUILT-IN DELAY HIGH-PRECISION VOLTAGE DETECTOR

LR8809 数据手册

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LESHAN RADIO COMPANY,LTD.  
LRC  
ULTRA-SMALL BUILT-IN DELAY  
HIGH-PRECISION VOLTAGE DETECTOR  
LR8809 SERIES  
„
Introduction  
„ Features  
The LR8809 Series is a series of  
high-precision voltage detectors with a  
built-in delay time generator of fixed  
time. developed using CMOS process.  
The detection voltage is fixed internally,  
with an accuracy of ±2.0 %. Internal  
oscillator and counter timer can delay  
the release signal without external  
parts, delay times 200 mS Two output  
forms, Nch pen-drain and CMOS  
output are available.  
• Ultra-low current consumption: 1.0μA@3.5V(typ)  
• High-precision detection voltage: ±2.0 %  
• Hysteresis characteristics: -VDET ×5%(typ)  
• Operating voltage range: 0.95 V to 8.0 V  
• Detection voltage: 1.5V to 6.0 V (0.1 V step)  
• Delay time: 200 mS(typ)  
• Output forms:  
NMOS open-drain output (Active Low)  
CMOS output (Active Low)  
„ Ordering Information  
„ Application  
• Memory battery back-up circuits  
• Power-on reset circuits  
①②③④  
LR8809  
DESIGNATOR  
SYMBOL  
DESCRIPTION  
CMOS  
• Power failure detection  
C
N
• Power monitor for portable equipment  
such as notebook computers, digital  
cameras, PDA, and cellular phones.  
• Constant voltage power monitors  
for cameras, video equipment and  
communication devices.  
Nch open drain  
Output Voltage(1.5V~6.0V)  
e.g. 3.0V= :3, :0  
PackageSOT23-3  
PackageSOT343(SC-82)  
PackageSOT89-3  
PackageTO-92  
②③  
Integer  
M/MA  
N/NA  
P
• Power monitor for microcomputers and  
reset for CPUs.  
T/TA  
E
PackageSOT23-6  
„ Block Diagrams  
Nch open-drain  
CMOS output  
Note:*1-parasitic diode  
V0.3  
1(7)  

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