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LM2574M-3.3 - Texas Instruments

Description: IC REG BUCK 3.3V 0.5A 14-SOIC

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LM2574M-3.3 - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - NPA0014B-2021
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LM2574M-3.3 - Texas Instruments  - 3D model - Small Outline Packages - NPA0014B-2021
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LM2574M-3.3 Details

  • Manufacturer Part Number:

    LM2574M-3.3

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    SMT-14

  • Pin Count:

    14

  • 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:

    4.75 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G14

  • JESD-609 Code:

    e0

  • Length:

    9 mm

  • Moisture Sensitivity Level:

    2A

  • Number of Functions:

    1

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1.8 A

  • Output Voltage-Max:

    3.366 V

  • Output Voltage-Min:

    3.234 V

  • Output Voltage-Nom:

    3.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP14,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    220

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    63 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    TIN LEAD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    20

  • Width:

    7.5 mm

LM2574M-3.3 Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM2574M-3.3 is 40V, but it's recommended to keep it below 35V for reliable operation.
  • The LM2574M-3.3 has a maximum operating junction temperature of 125°C, but it's recommended to keep it below 85°C for reliable operation. You can use thermal management techniques like heat sinks or thermal interfaces to reduce the temperature.
  • The output voltage ripple of the LM2574M-3.3 can be calculated using the formula: ΔVout = (Iout x Rl) / (f x Cout), where Iout is the output current, Rl is the ESR of the output capacitor, f is the switching frequency, and Cout is the output capacitance.
  • The minimum input capacitance required for the LM2574M-3.3 is 10uF, but it's recommended to use a higher value (e.g., 22uF) to ensure stable operation.
  • No, the LM2574M-3.3 is an asynchronous buck converter and does not support synchronous rectification. It uses an internal diode for rectification.

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LM2574M-3.3 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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Part Image LM2574M-3.3 National Semiconductor Corporation

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Part Image LM2574MX-3.3 Texas Instruments

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For a full list of alternate parts for LM2574M-3.3, check out Findchips.com