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LM2577T-ADJ - Texas Instruments

Description: Step up switch regulator,LM2577T-ADJ 37V

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LM2577T-ADJ - Texas Instruments PCB footprint - Other - Other - KC0005A_ 1
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LM2577T-ADJ - Texas Instruments  - 3D model - Other - KC0005A_ 1
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LM2577T-ADJ Details

  • Manufacturer Part Number:

    LM2577T-ADJ

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SFM

  • Package Description:

    TO-220, 5 PIN

  • Pin Count:

    3

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    1992-01-01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Input Voltage-Max:

    40 V

  • Input Voltage-Min:

    3.5 V

  • Input Voltage-Nom:

    5 V

  • JESD-30 Code:

    R-PSFM-T5

  • JESD-609 Code:

    e0

  • Length:

    10.16 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    5

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    6 A

  • Output Voltage-Max:

    60 V

  • Output Voltage-Min:

    1.23 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SFM

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    16.51 mm

  • Surface Mount:

    NO

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    52 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    TIN LEAD

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    1.7 mm

  • Terminal Position:

    SINGLE

  • Width:

    4.445 mm

LM2577T-ADJ Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM2577T-ADJ is 40V, but it's recommended to keep it below 35V for reliable operation.
  • The output voltage of the LM2577T-ADJ can be set by connecting a resistor divider network between the output and the ADJ pin. The formula to calculate the output voltage is: Vout = 1.23 x (1 + R1/R2), where R1 and R2 are the resistors in the divider network.
  • The minimum input voltage required for the LM2577T-ADJ to operate is 7V, but it's recommended to keep it above 8V for reliable operation.
  • The LM2577T-ADJ is rated for operation up to 125°C, but it's recommended to derate the output current and input voltage at high temperatures to ensure reliable operation.
  • To ensure the stability of the LM2577T-ADJ output voltage, it's recommended to use a minimum output capacitance of 22uF and to keep the output voltage ripple below 1%.

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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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Part Image LM2577TADJ Texas Instruments

Switching Regulator, Current-mode, 6A, 52kHz Switching Freq-Max, BIPolar, PSFM5