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LM2574N-ADJ/NOPB - Texas Instruments

Description: Texas Instruments, LM2574N-ADJ/NOPB Step-Down Switching Regulator 500mA Adjustable, 1.23 → 37 V, 8-Pin MDIP

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

  • Manufacturer Part Number:

    LM2574N-ADJ/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    8

  • Country Of Origin:

    Malaysia

  • 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:

    12 V

  • JESD-30 Code:

    R-PDIP-T8

  • JESD-609 Code:

    e4

  • Length:

    9.817 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.5 A

  • Output Voltage-Max:

    37 V

  • Output Voltage-Min:

    3.3 V

  • Output Voltage-Nom:

    1.23 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Surface Mount:

    NO

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    52 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

LM2574N-ADJ/NOPB Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM2574N-ADJ/NOPB is 40V. Exceeding this voltage can cause damage to the device.
  • To ensure the output voltage is stable and regulated, make sure to use a suitable output capacitor (at least 22uF) and a minimum load of 10mA. Also, ensure that the input voltage is within the recommended range and the device is operated within the specified temperature range.
  • The ADJ pin is used to adjust the output voltage of the LM2574N-ADJ/NOPB. To use it, connect a resistor divider network between the output voltage and ground, with the ADJ pin connected to the center tap of the divider. This allows you to set the output voltage to a specific value between 1.2V and 37V.
  • To protect the LM2574N-ADJ/NOPB from overheating, ensure good airflow around the device, use a suitable heat sink if necessary, and avoid operating the device at maximum power for extended periods. Also, monitor the device temperature and shut down the device if it exceeds the maximum operating temperature of 125°C.
  • The minimum input voltage required for the LM2574N-ADJ/NOPB to operate is 7V. However, the device can operate with input voltages as low as 4V, but with reduced performance and efficiency.

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LM2574N-ADJ/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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