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LM397MF - Texas Instruments

Description: Single General Purpose Voltage Comparator

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PCB Footprints
LM397MF - Texas Instruments PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - DBV-005
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3D Models
LM397MF - Texas Instruments  - 3D model - SOT23 (5-Pin) - DBV-005
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LM397MF Details

  • Manufacturer Part Number:

    LM397MF

  • Brand Name:

    Texas Instruments

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOT-23

  • Pin Count:

    5

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Amplifier Type:

    COMPARATOR

  • Average Bias Current-Max (IIB):

    0.4 µA

  • Bias Current-Max (IIB) @25C:

    0.25 µA

  • Input Offset Voltage-Max:

    7000 µV

  • JESD-30 Code:

    R-PDSO-G5

  • JESD-609 Code:

    e0

  • Length:

    2.92 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    5

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Type:

    OPEN-COLLECTOR; OPEN-DRAIN

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LSSOP

  • Package Equivalence Code:

    TSOP5/6,.11,37

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Response Time-Nom:

    940000 ns

  • Seated Height-Max:

    1.22 mm

  • Subcategory:

    Comparator

  • Supply Current-Max:

    1 mA

  • Supply Voltage Limit-Max:

    30 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.953 mm

  • Terminal Position:

    DUAL

  • Width:

    1.6 mm

LM397MF Frequently Asked Questions (FAQs)

  • The LM397MF can handle input voltages up to 42V, but it's recommended to keep the input voltage at least 2V above the output voltage to ensure proper regulation.
  • To ensure stability, use a minimum output capacitance of 10uF with an ESR (Equivalent Series Resistance) of less than 5 ohms, and a minimum input capacitance of 1uF with an ESR of less than 5 ohms.
  • The LM397MF can provide up to 1A of output current, but it's recommended to derate the output current based on the ambient temperature and the input voltage to ensure reliable operation.
  • To protect the LM397MF from overheating, ensure good thermal conductivity between the device and the heat sink, and provide adequate airflow to dissipate heat. Also, consider using a thermal shutdown circuit to prevent damage from overheating.
  • No, the LM397MF is a linear voltage regulator and is not suitable for use in switching regulator applications. It's designed to provide a stable output voltage in linear regulator circuits.

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LM397MF Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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