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LM2576T-ADJ/LB03 - Texas Instruments

Description: Texas Instruments, LM2576T-ADJ/LB03 Step-Down Switching Regulator 3A Adjustable, 1.23 → 37 V, 5-Pin TO-220

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LM2576T-ADJ/LB03 - Texas Instruments PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - NDH0005D 1
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3D Models
LM2576T-ADJ/LB03 - Texas Instruments  - 3D model - Transistor Outline, Vertical - NDH0005D 1
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LM2576T-ADJ/LB03 Details

  • Manufacturer Part Number:

    LM2576T-ADJ/LB03

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SFM

  • Package Description:

    ZFM,

  • Pin Count:

    3

  • Reach Compliance Code:

    Not Compliant

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Additional Feature:

    ALSO AVAILABLE IN ADJUSTABLE MODE FROM 1.23 TO 38.48 VOLT

  • 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:

    12 V

  • JESD-30 Code:

    R-XZFM-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:

    3 A

  • Output Voltage-Max:

    37 V

  • Output Voltage-Min:

    3.3 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    ZFM

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Surface Mount:

    NO

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    63 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    1.702 mm

  • Terminal Position:

    ZIG-ZAG

LM2576T-ADJ/LB03 Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM2576T-ADJ/LB03 is 40V. Exceeding this voltage can cause damage to the device.
  • To ensure the stability of the output voltage, it is recommended to use a minimum output capacitance of 22uF and an ESR of less than 1 ohm. Additionally, the output voltage should be decoupled with a 10uF capacitor.
  • The minimum input voltage required for the LM2576T-ADJ/LB03 to operate is 7V. However, the recommended minimum input voltage is 8V to ensure proper operation.
  • The LM2576T-ADJ/LB03 is rated for operation up to 125°C. However, the device's performance and reliability may degrade at high temperatures. It is recommended to derate the device's output current and voltage at high temperatures.
  • The output voltage of the LM2576T-ADJ/LB03 can be adjusted by using a resistive divider network between the output and the ADJ pin. The output voltage can be calculated using the formula: Vout = 1.23 x (1 + R1/R2).

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LM2576T-ADJ/LB03 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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