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RT9828

Richtek Technology Corporation
Part Number RT9828
Manufacturer Richtek Technology Corporation
Description Dual Micro-Power Voltage Detectors
Published Mar 31, 2015
Detailed Description RT9828 Dual Micro-Power Voltage Detectors General Description The RT9828 is a micro-power voltage detector supervising...
Datasheet PDF File RT9828 PDF File

RT9828
RT9828

Overview
RT9828 Dual Micro-Power Voltage Detectors General Description The RT9828 is a micro-power voltage detector supervising the power supply voltage level for microprocessors (uP) or digital systems.
It provides internally fixed threshold levels ranging from 1.
2V to 5V, which covers most digital applications.
It features low supply current of 6uA.
The RT9828 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 the VDD exceeds the threshold level, the reset signal will be released after a certain delay time.
The RT9828 is available in SOT-23-6 package.
Ordering Information RT9828- Package Type E : SOT-23-6 Lead Plating System P : Pb Free G : Green (Halogen Free and Pb Free) Note : Threshold Voltage : RESET1/RESET2 WP : 1.
6V/3.
0V GP : 1.
8V/3.
0V Richtek products are : ` RoHS compliant and compatible with the current require- ments of IPC/JEDEC J-STD-020.
` Suitable for use in SnPb or Pb-free soldering processes.
Features z High Accuracy ±1.
5% z Low Supply Current 6uA z Quick Reset within 20us z Built-in 55ms Recovery Delay z Low Functional Supply Voltage 0.
9V z Dual N-Channel Open-Drain Output z Small SOT-23-6 Packages z RoHS Compliant and 100% Lead (Pb)-Free Applications z Computers z Controllers z Intelligent Instruments z Critical uP and uC Power Monitoring z Portable/Battery-Powered Equipment Pin Configurations (TOP VIEW) RESET1 GND VDD2 654 23 VDD1 NC RESET2 SOT-23-6 Marking Information For marking information, contact our sales representative directly or through a Richtek distributor located in your area.
DS9828-02 April 2011 Downloaded from Elcodis.
com electronic components distributor www.
richtek.
com 1 RT9828 Typical Application Circuit 100k VDD1 VDD2 RT9828 1 VDD1 RESET1 6 GND 5 4 VDD2 RESET2 3 RESET1 RESET2 100k Functional Pin Description Pin No.
Pin Name Pin Function 1 VDD1 Input of Detector1.
2 N...


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