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LM2574MX-12/NOPB - Texas Instruments

Description: 8V to 40V, 500mA SIMPLE SWITCHER® buck converter with 4 external components

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LM2574MX-12/NOPB - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - NPA0014B
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LM2574MX-12/NOPB - Texas Instruments  - 3D model - Small Outline Packages - NPA0014B
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LM2574MX-12/NOPB Details

  • Manufacturer Part Number:

    LM2574MX-12/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    14

  • 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-PDSO-G14

  • JESD-609 Code:

    e3

  • Length:

    9 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    14

  • 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:

    12 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    52 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    7.5 mm

LM2574MX-12/NOPB Frequently Asked Questions (FAQs)

  • The maximum input voltage is 40V, but it's recommended to keep it below 35V for reliable operation.
  • To ensure a stable output voltage, make sure to use the recommended output capacitor value (10uF to 22uF) and keep the input voltage within the recommended range. Also, ensure the PCB layout is well-designed to minimize noise and electromagnetic interference.
  • The minimum input voltage required is 7V, but it's recommended to keep it above 8V for reliable operation.
  • The LM2574MX-12/NOPB can operate up to 125°C, but the output current may need to be derated at higher temperatures. Consult the datasheet for thermal derating curves.
  • The output voltage is fixed at 12V for the LM2574MX-12/NOPB. However, if you need a different output voltage, you can use the adjustable version (LM2574MX-ADJ) and calculate the output voltage using the formula: Vout = 1.23 * (1 + R2/R1), where R1 and R2 are the feedback resistors.

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LM2574MX-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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