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LM2940-50CKCSE3 - Texas Instruments

Description: LDO Voltage Regulators 1A Low Dropout Voltage Regulator

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PCB Footprints
LM2940-50CKCSE3 - Texas Instruments PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - KCS (R-PSFM-T3)
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3D Models
LM2940-50CKCSE3 - Texas Instruments  - 3D model - Transistor Outline, Vertical - KCS (R-PSFM-T3)
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LM2940-50CKCSE3 Details

  • Manufacturer Part Number:

    LM2940-50CKCSE3

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SFM

  • Package Description:

    ROHS COMPLIANT, PLASTIC, TO-220, 3 PIN

  • Pin Count:

    3

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Adjustability:

    FIXED

  • Dropout Voltage1-Max:

    0.8 V

  • Dropout Voltage1-Nom:

    0.385 V

  • Input Voltage Absolute-Max:

    45 V

  • Input Voltage-Max:

    26 V

  • Input Voltage-Min:

    6.25 V

  • JESD-30 Code:

    R-PSFM-T3

  • JESD-609 Code:

    e3

  • Line Regulation-Max:

    0.05%

  • Load Regulation-Max:

    0.05%

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    3

  • Operating Temperature TJ-Max:

    150 °C

  • Operating Temperature-Max:

    125 °C

  • Output Current1-Max:

    1 A

  • Output Voltage1-Max:

    5.25 V

  • Output Voltage1-Min:

    4.75 V

  • Output Voltage1-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SFM

  • Package Equivalence Code:

    SIP3,.1TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Packing Method:

    TUBE

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    SINGLE

  • Voltage Tolerance-Max:

    5%

LM2940-50CKCSE3 Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM2940-50CKCSE3 is 26V, but it's recommended to keep it below 20V for reliable operation.
  • The LM2940-50CKCSE3 has a maximum operating junction temperature of 150°C, but it's recommended to keep it below 125°C for reliable operation. You can use thermal management techniques like heat sinks or thermal interfaces to reduce the junction temperature.
  • The output voltage tolerance of the LM2940-50CKCSE3 is typically ±2% over the entire operating temperature range. You can calculate the output voltage tolerance by multiplying the nominal output voltage (50V) by the tolerance percentage (2%).
  • The minimum input capacitance required for the LM2940-50CKCSE3 is 10uF, but it's recommended to use a higher value (e.g., 22uF) to ensure stable operation.
  • The LM2940-50CKCSE3 is a linear voltage regulator, not a switching regulator. It's not suitable for switching power supply applications. You should use a switching regulator like the LM2675 or LM5017 for such applications.

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LM2940-50CKCSE3 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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