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TPS5431DDA - Texas Instruments

Description: 3-A, WIDE INPUT RANGE, STEP-DOWN SWIFT? CONVERTER

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TPS5431DDA - Texas Instruments - PCB symbol
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TPS5431DDA - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DDA0008J_1-1
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TPS5431DDA - Texas Instruments - 3D model - Small Outline Packages - DDA0008J_1-1
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TPS5431DDA Details

  • Manufacturer Part Number:

    TPS5431DDA

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • 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:

    23 V

  • Input Voltage-Min:

    5.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.89 mm

  • 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:

    3 A

  • Output Voltage-Max:

    20 V

  • Output Voltage-Min:

    1.23 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HLSOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.68 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    500 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Width:

    3.9 mm

TPS5431DDA Frequently Asked Questions (FAQs)

  • The TPS5431DDA can handle input voltages up to 42V, but it's recommended to keep the input voltage below 40V for reliable operation.
  • The inductor value depends on the output voltage, output current, and switching frequency. A good starting point is to use the inductor selection guide in the datasheet or use an online inductor calculator. Typically, a value between 1.5uH to 3.3uH is suitable for most applications.
  • The EN (enable) pin is used to turn the converter on and off. Connect EN to VIN to enable the converter, and connect EN to GND to disable it. You can also use a logic signal to control the EN pin if you need to dynamically turn the converter on and off.
  • The internal voltage reference has a tolerance of ±1.5%. To compensate for this, you can adjust the output voltage by adding a resistor divider network between the output and the FB pin. This will allow you to fine-tune the output voltage to the desired value.
  • The TPS5431DDA can deliver up to 3A of output current, but this depends on the input voltage, output voltage, and thermal conditions. Be sure to check the thermal derating curves in the datasheet to ensure reliable operation.

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TPS5431DDA 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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