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LM2574N-ADJ - Texas Instruments

Description: TEXAS INSTRUMENTS - LM2574N-ADJ - SWITCHING REG 0.5A ADJ, 2574, DIP8

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LM2574N-ADJ - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - P (R-PDIP-T8)
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LM2574N-ADJ - Texas Instruments  - 3D model - Dual-In-Line Packages - P (R-PDIP-T8)
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LM2574N-ADJ Details

  • Manufacturer Part Number:

    LM2574N-ADJ

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DIP

  • Package Description:

    DIP-8

  • Pin Count:

    8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    40 V

  • Input Voltage-Min:

    7 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDIP-T8

  • JESD-609 Code:

    e0

  • Length:

    9.817 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1.8 A

  • Output Voltage-Max:

    37 V

  • Output Voltage-Min:

    1.23 V

  • Output Voltage-Nom:

    1.23 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP8,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Current-Max (Isup):

    1600 mA

  • Surface Mount:

    NO

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    63 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    TIN LEAD

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

LM2574N-ADJ Frequently Asked Questions (FAQs)

  • The minimum input voltage required for the LM2574N-ADJ to operate is 3V above the output voltage. For example, if the output voltage is 5V, the minimum input voltage would be 8V.
  • The output voltage of the LM2574N-ADJ can be calculated using the formula: Vout = 1.23 * (1 + R2/R1), where R1 and R2 are the resistors connected to the ADJ pin.
  • The maximum output current of the LM2574N-ADJ is 3A. However, it's recommended to derate the output current based on the input voltage and ambient temperature to ensure reliable operation.
  • To ensure the LM2574N-ADJ operates within its thermal limits, it's essential to provide adequate heat sinking, especially at high input voltages and output currents. The thermal resistance of the package (θJA) is 40°C/W, and the maximum junction temperature is 125°C.
  • Yes, the LM2574N-ADJ is suitable for high-reliability applications. It's built with a proprietary BiCMOS process and has undergone rigorous testing to ensure its reliability and performance. However, it's essential to follow proper design and manufacturing practices to ensure the overall system reliability.

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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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