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TI LM809M3X-4.63/NOPB product image
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TI LM809M3X-4.63/NOPB

Manufacturer
MPN
LM809M3X-4.63/NOPB
LCSC Part #
C2066240
Packaging
SOT-23-3
Customer #
Key Attributes
3-Pin Microprocessor Reset Circuits
DatasheetTI LM809M3X-4.63/NOPB
RoHS Compliance2 documents available
Alternative Parts5
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In-Stock: 87
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QtyUnit PriceTotal Amount
1+$ 1.0326$ 1.03
10+$ 0.8406$ 8.41
30+$ 0.7454$ 22.36
100+$ 0.6501$ 65.01
500+$ 0.5927$ 296.35
1,000+$ 0.5631$ 563.10
Standard Packaging3000/Full Reel
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Supervisors
ManufacturerTI
PackagingSOT-23-3
Reset Timeout240ms
Operating Temperature-40℃~+105℃@(TA)
output typeOpen-drain
Function-
Reset Active LevelActive Low
standby current15uA
Voltage - Supply1V~5.5V
ChipTypeVoltage monitor
Threshold Voltage4.63V
Number of Voltages Monitored1

Introduction

AI Translation

The LM809 and LM810 microprocessors supervisory circuits can be used to monitor the power supplies in microprocessor and digital systems. They provide a reset to the microprocessor during power-up, powerdown and brown-out conditions. The function of the LM809 and LM810 are to monitor the VCC supply voltage, and assert a reset signal whenever this voltage declines below the factoryprogrammed reset threshold. The reset signal remains asserted for 240 ms after VCC rises above the threshold. The LM809 has an active-low RESET output, while the LM810 has an active-high RESET output. Seven standard reset voltage options are available, suitable for monitoring 5-V, 3.3-V, and 3-V supply voltages. With a low supply current of only 15 μA, the LM809 and LM810 are ideal for use in portable equipment.

Features

AI Translation
  • Precision Monitoring of Supply Voltages
  • Available Threshold Options: 2.63 V, 2.93 V, 3.08 V, 4.38 V, 4.63 V
  • Superior Upgrade to MAX809 and MAX810
  • Fully Specified Over Temperature
  • 140-ms Minimum Power-On Reset Pulse Width, 240-ms Typical
  • Active-Low RESET Output (LM809)
  • Active-High RESET Output (LM810)
  • Ensured RESET Output Valid for VCC ≥ 1 V
  • Low Supply Current, 15-μA Typical
  • Power Supply Transient Immunity

Applications

AI Translation
  • Factory Automation
  • Building Automation
  • Programmable Logic Control
  • Renewable Energy
  • Microprocessor Systems
  • Computers
  • Controllers
  • Intelligent Instruments
  • Portable/Battery-Powered Equipment
  • Automotive

Alternative Parts

MPNManufacturerAlternative TypePackagingAvailabilityUnit Price
LM809M3-4.63/NOPBTIAlt. PackagingSOT-23-375$ 1.1997
TPAX803SS3TECH PUBLICSimilarSOT-231,700$0.1207 $0.127
TPAX803LS3L-ATECH PUBLICSimilarSOT-232,450$0.1051 $0.1167
MCP111T-475E/TTMICROCHIPSimilarSOT-23781$ 0.5962
APX803S05-44SR-7DIODESSimilarSOT-2340$ 0.1101
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