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TPS5432DDA - Texas Instruments

Description: Texas Instruments TPS5432DDA, Step Down DC-DC Converter, 3A, Adjustable, 0.808 → 4.5 V, 8-Pin SOIC

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TPS5432DDA Details

  • Manufacturer Part Number:

    TPS5432DDA

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • Country Of Origin:

    Mainland China, Mexico, Philippines, Taiwan, Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    6 V

  • Input Voltage-Min:

    2.95 V

  • Input Voltage-Nom:

    5 V

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    2

  • 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:

    4.5 V

  • Output Voltage-Min:

    0.808 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HLSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.7 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    700 kHz

  • Technology:

    BICMOS

  • 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:

    3.9 mm

TPS5432DDA Frequently Asked Questions (FAQs)

  • The TPS5432DDA can handle input voltages up to 42V, but it's recommended to keep the input voltage below 38V for optimal performance and reliability.
  • 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 TI's WEBENCH Power Designer tool to find the optimal inductor value for your specific design.
  • The EN (enable) pin is used to turn the converter on and off. To use it, connect the EN pin to a logic-level signal (e.g., from a microcontroller) to enable or disable the converter. When EN is high, the converter is enabled, and when EN is low, the converter is disabled.
  • To compensate for output voltage ripple, add a capacitor (e.g., 10uF to 22uF) in parallel with the output capacitor to filter out high-frequency noise. You can also use a PI filter or an LC filter for better ripple rejection.
  • The thermal derating curve for the TPS5432DDA is not explicitly provided in the datasheet, but you can use the thermal resistance (RθJA) value of 34.4°C/W to estimate the maximum power dissipation at a given temperature. Consult the TI application note 'Thermal Design Considerations' for more information.

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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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