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DS1818R-5+T&R

MPU Supervisor, 1V-5.5V supply, Active-Low, Open-Drain reset, 150 ms delay/3.06V threshold, SOT-23-3

MAXIM INTEGRATED / ANALOG DEVICES DS1818R-5+T&R
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Manufacturer Part No:
DS1818R-5+T&R
Order Code:
2512471RL
Technical Datasheet:
DS1818R-5+T&R   Datasheet
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Product Overview

The DS1818R-5+T&R is a 3.3V EconoReset with pushbutton switch in 3 pin SOT-23 package. It uses a precision temperature compensated reference and comparator circuit to monitor the status of the power supply (VCC). When an out of tolerance condition is detected, an internal power fail signal is generated which forces reset to the active state. When VCC returns to an in tolerance condition, the reset signal is kept in the active state for approximately 150ms to allow power supply and processor to stabilize. The DS1818 also monitors a pushbutton on the reset output. If the reset line is pulled low, a reset is generated upon release and the DS1818 output will be held in reset output low for typically 150ms. The DS1818 provides a pushbutton switch for manual reset control.
  • Supply voltage range from 1V to 5.5V
  • Operating temperature range from -40°C to 85°C
  • VCC trip point of 3.06V with 5% tolerance and reset active time 150ms
  • Improves reliability of processor operation
  • Temperature compensated voltage monitor for precise, automated power fail detection
  • Automatically restarts a microprocessor after power failure
  • Monitors pushbutton for external override
  • Active-low, open-drain output with internal 5.5Kohm pull-up resistor saves power and space
  • Maximum quiescent current of 35µA
  • Allows for easy design with no complicated settings

Applications

System Monitoring

Warnings

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

Product Information

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:
3.06V

:
1Monitors

:
1V

:
5.5V

:
Active-Low, Open-Drain

:
SOT-23

:
3Pins

:
150ms

:
-40°C

:
85°C



:
MSL 1 - Unlimited

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Technical Documents (1)

CAD Downloads

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Terms and Conditions

CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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