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TPS5450DDA - Texas Instruments

Description: TPS5450DDA, Switching Regulator, Buck Controller, 5A, Adjustable, 1.22V min., 500kHz, 8-Pin HSOP-EP, SO EP

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TPS5450DDA - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DDA0008J
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TPS5450DDA - Texas Instruments  - 3D model - Small Outline Packages - DDA0008J
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TPS5450DDA Details

  • Manufacturer Part Number:

    TPS5450DDA

  • 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:

    36 V

  • Input Voltage-Min:

    5.5 V

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.89 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:

    5 A

  • Output Voltage-Max:

    31 V

  • Output Voltage-Min:

    1.22 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

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.7 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

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

    30

  • Width:

    3.9 mm

TPS5450DDA Frequently Asked Questions (FAQs)

  • The TPS5450DDA 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 value calculation formula provided in the datasheet, and then adjust based on the specific design requirements.
  • The EN (enable) pin is used to turn the converter on and off. Connect the EN pin to a logic high (e.g., VCC) to enable the converter, and connect it to a logic low (e.g., GND) to disable it.
  • Ensure good thermal design, including a heat sink if necessary, and follow the thermal design guidelines in the datasheet. Monitor the device temperature and adjust the design as needed to keep the junction temperature below 125°C.
  • Follow the recommended PCB layout guidelines in the datasheet, including keeping the high-current paths short and wide, and using a solid ground plane to reduce noise and improve thermal performance.

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TPS5450DDA 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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