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RT9834G-13GH

更新时间: 2024-12-02 00:26:39
品牌 Logo 应用领域
立锜 - RICHTEK /
页数 文件大小 规格书
13页 157K
描述
Micro-Power Voltage Detector with Manual Reset

RT9834G-13GH 数据手册

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®
RT9834  
Micro-Power Voltage Detector with Manual Reset  
General Description  
Features  
z Internally Fixed Threshold 1.2V to 5V in 0.1V Step  
The RT9834 is a micro-power voltage detector with  
deglitched manual reset input supervising the power supply  
voltage level for microprocessors (μP) or digital systems.  
It provides internally fixed threshold levels with 0.1V per  
step ranging from 1.2V to 5V, which covers most digital  
applications. It features low supply current of 3μA. The  
RT9834 performs supervisory function by sending out a  
reset signal whenever the VDD voltage falls below a preset  
threshold level. This reset signal will last the whole period  
before VDD recovering. Once VDD recovered upcrossing  
the threshold level, the reset signal will be released after  
a certain delay time. To pull reset signal low manually,  
just pull the manual reset input (MR) below the specified  
VIL level. The RT9834 is available in the SC-82 and  
SOT-143 packages.  
z High Accuracy 1.5%  
z Low Supply Current 3μA  
z No External Components Required  
z Quick Reset within 20μs  
z Built-in Recovery Delay : 0ms, 55ms, 220ms, 450ms  
Options  
z 800ns Glitch Immunity of Manual Reset Input  
z Low Functional Supply Voltage 0.9V  
z CMOS Push-Pull Output  
z Small SC-82 and SOT-143 Packages  
z RoHS Compliant and Halogen Free  
Applications  
z Computers  
z Controllers  
z Intelligent Instruments  
z Critical μP and μC Power Monitoring  
z Portable/Battery-Powered Equipment  
Marking Information  
For marking information, contact our sales representative  
directly or through a Richtek distributor located in your  
area.  
Simplified Application Circuit  
RT9834  
VDD  
VDD  
µp  
MR  
RESET/  
RESET  
RESET/  
RESET  
GND  
Copyright 2013 Richtek Technology Corporation. All rights reserved.  
©
is a registered trademark of Richtek Technology Corporation.  
DS9834-00 May 2013  
www.richtek.com  
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