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LM809M3-4.38/NOPB

Microcontroller Reset Circuit, Active-Low Reset, 1.2V-5.5Vin, SOT-23-3

TEXAS INSTRUMENTS LM809M3-4.38/NOPB
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Manufacturer Part No:
LM809M3-4.38/NOPB
Order Code:
3123847

Product Overview

The LM809M3-4.38/NOPB is a 3-pin Microprocessor Supervisory Circuit with active-low RESET output. The supervisory circuit can be used to monitor the power supplies in microprocessor and digital systems. It provides a reset to the microprocessor during power-up, power-down and brownout conditions. The function of the LM809 is to monitor the VCC supply voltage and assert a reset signal whenever this voltage declines below the factory-programmed reset threshold. The reset signal remains asserted for 240ms after VCC rises above the threshold.
  • Power supply transient immunity
  • Fully specified over-temperature
  • Ensured RESET output valid for VCC >= 1V
  • Superior upgrade to MAX809 and MAX810
  • 140ms Minimum power-ON reset pulse width
  • 15µA Typical low supply current
  • Green product and no Sb/Br

Applications

Building Automation, Computers & Computer Peripherals, Automation & Process Control, Sensing & Instrumentation, Portable Devices, Automotive

Product Information

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:
4.38V

:
1Monitors

:
1.2V

:
5.5V

:
Active-Low

:
SOT-23

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3Pins

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240ms

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-40°C

:
105°C

:
-

:
-

:
MSL 1 - Unlimited
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Technical Docs (1)

CAD Downloads

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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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