LM809M3-4.38/NOPB

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Details for Texas Instruments

LM809M3-4.38/NOPB

3-pin voltage supervisor (reset IC) with push-pull reset for supply monitoring
Buy Directly from Texas Instruments (7878 in Stock)
$0.2300 per unit
Series Information for LM809M3-4.38/NOPB - Texas Instruments

Features

  • feature
    140-ms Minimum Power-On Reset Pulse Width, 240-ms Typical u2013 Active-Low RESET Output (LM809) u2013 Active-High RESET Output (LM810)
  • feature
    Ensured RESET Output Valid for VCC u2265 1 V
  • feature
    Fully Specified Over Temperature
  • feature
    Low Supply Current, 15-u00b5A Typical
  • feature
    Power Supply Transient Immunity
  • feature
    Precision Monitoring of Supply Voltages u2013 Available Threshold Options: 2.63 V, 2.93 V, 3.08 V, 4.38 V, 4.63 V
  • feature
    Superior Upgrade to MAX809 and MAX810

Description

MPU RESET CIRCUIT 18UA 5.5V SOT-23-3
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.

Specifications

Threshold Voltage:
4.38V
No. of Supervisors / Monitors:
1Monitors
Supply Voltage Min:
1.2V
Supply Voltage Max:
5.5V
Reset Type:
Active-Low
Digital IC Case:
SOT-23
No. of Pins:
3Pins
Delay Time:
240ms
Operating Temperature Min:
-40°C
Operating Temperature Max:
105°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)

Alternate Descriptions

Avnet America

Processor Supervisor 4.38V 3V/3.3V/5V 3-Pin SOT-23 T/R

Avnet America product

Avnet Europe

Processor Supervisor 4.38V 3V/3.3V/5V 3-Pin SOT-23 T/R

Avnet Europe product

Texas Instruments

3-pin voltage supervisor (reset IC) with push-pull reset for supply monitoring

Texas Instruments product