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TPS54540BDDAR - Texas Instruments

Description: 4.5-V to 42-V input, 5-A step-down converter with Eco-mode™

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TPS54540BDDAR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DDA (R-PDSO-G8)-ren1
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TPS54540BDDAR - Texas Instruments  - 3D model - Small Outline Packages - DDA (R-PDSO-G8)-ren1
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TPS54540BDDAR Details

  • Manufacturer Part Number:

    TPS54540BDDAR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Mainland China, Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Date Of Intro:

    2019-01-27

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    42 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    5 A

  • Output Voltage-Max:

    41.1 V

  • Output Voltage-Min:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, LOW PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.7 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2500 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

TPS54540BDDAR Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the TPS54540BDDAR is 42V, but it's recommended to keep it below 40V for reliable operation.
  • To ensure the stability of the output voltage, it's essential to use the recommended output capacitor value and type, and to keep the output capacitor close to the device. Additionally, the input capacitor should be placed close to the VIN pin.
  • The minimum input voltage required for the TPS54540BDDAR to operate is 6.5V, but it's recommended to keep it above 7V for reliable operation.
  • Yes, the TPS54540BDDAR can operate in high-temperature environments, but the maximum junction temperature should not exceed 150°C. It's essential to ensure proper thermal design and heat dissipation to prevent overheating.
  • The output voltage of the TPS54540BDDAR can be calculated using the formula: VOUT = 0.8V x (1 + R2/R1), where R1 and R2 are the resistors connected to the FB pin.

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TPS54540BDDAR 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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