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LM7905CT - Texas Instruments

Description: TEXAS INSTRUMENTS - LM7905CT - Fixed LDO Voltage Regulator, 7905, -25V to -7V, 1.1V Dropout, -5Vout, 1.5Aout, TO-220-3

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PCB Footprints
LM7905CT - Texas Instruments PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - NDE0003B
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LM7905CT - Texas Instruments  - 3D model - Transistor Outline, Vertical - NDE0003B
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LM7905CT Details

  • Manufacturer Part Number:

    LM7905CT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SFM

  • Package Description:

    TO-220, 3 PIN

  • Pin Count:

    3

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    1989-01-01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Adjustability:

    FIXED

  • Dropout Voltage1-Nom:

    1.1 V

  • Input Voltage Absolute-Max:

    25 V

  • Input Voltage-Max:

    25 V

  • Input Voltage-Min:

    7 V

  • JESD-30 Code:

    R-XSFM-T3

  • JESD-609 Code:

    e0

  • Length:

    14.986 mm

  • Line Regulation-Max:

    0.015%

  • Load Regulation-Max:

    0.1%

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    3

  • Operating Temperature TJ-Max:

    125 °C

  • Output Current1-Max:

    1.5 A

  • Output Voltage1-Max:

    5.25 V

  • Output Voltage1-Min:

    4.75 V

  • Output Voltage1-Nom:

    5 V

  • Package Body Material:

    UNSPECIFIED

  • 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 NEGATIVE SINGLE OUTPUT STANDARD REGULATOR

  • Seated Height-Max:

    4.7 mm

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    SINGLE

  • Voltage Tolerance-Max:

    5%

  • Width:

    10.16 mm

LM7905CT Frequently Asked Questions (FAQs)

  • The LM7905CT can handle input voltages up to 35V, but it's recommended to keep it below 25V for reliable operation.
  • To ensure a stable output voltage, make sure to use a suitable input capacitor (e.g., 1uF) and output capacitor (e.g., 10uF) as close to the device as possible, and keep the input voltage within the recommended range.
  • The minimum input voltage required for the LM7905CT to function is around 7.5V, but it's recommended to keep it above 8V for reliable operation.
  • The LM7905CT is rated for operation up to 125°C, but it's recommended to derate the output current and input voltage as the temperature increases to ensure reliable operation.
  • To protect the LM7905CT from input voltage transients, use a transient voltage suppressor (TVS) diode or a voltage clamp circuit at the input to limit the voltage spikes.

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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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