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LM2576T-12/NOPB - Texas Instruments

Description: Texas Instruments, LM2576T-12/NOPB Step-Down Switching Regulator 3A, 12 V, 5-Pin TO-220, Buck Controller

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LM2576T-12/NOPB - Texas Instruments PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - KC0005A1
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3D Models
LM2576T-12/NOPB - Texas Instruments  - 3D model - Transistor Outline, Vertical - KC0005A1
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LM2576T-12/NOPB Details

  • Manufacturer Part Number:

    LM2576T-12/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SFM

  • Pin Count:

    3

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    40 V

  • Input Voltage-Min:

    4 V

  • Input Voltage-Nom:

    25 V

  • JESD-30 Code:

    R-PSFM-T5

  • JESD-609 Code:

    e3

  • 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:

    3 A

  • Output Voltage-Max:

    37 V

  • Output Voltage-Min:

    3.3 V

  • Output Voltage-Nom:

    12 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SFM

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Seated Height-Max:

    16.51 mm

  • Surface Mount:

    NO

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    63 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    1.7 mm

  • Terminal Position:

    SINGLE

  • Width:

    4.445 mm

LM2576T-12/NOPB Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM2576T-12 is 40V, but it's recommended to keep it below 35V for reliable operation.
  • To ensure the output voltage is regulated to 12V, make sure to use the correct resistor values for the feedback network (R1 and R2) and that the output capacitor (Cout) is of sufficient value (at least 22uF) and has a low ESR.
  • The minimum input voltage required for the LM2576T-12 to operate is around 14.5V, but it's recommended to keep it above 15V for reliable operation.
  • The LM2576T-12 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 protect the LM2576T-12 from input voltage transients, use a TVS diode or a transient voltage suppressor (TVS) in parallel with the input capacitor (Cin) to clamp the input voltage.

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LM2576T-12/NOPB 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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