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TPS54428DDAR - Texas Instruments

Description: 4.5V to 18V Input, 4-A Synchronous Step-Down SWIFT™ Converter with Eco-mode™

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TPS54428DDAR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DDA (PDSO-G8)
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TPS54428DDAR - Texas Instruments  - 3D model - Small Outline Packages - DDA (PDSO-G8)
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TPS54428DDAR Details

  • Manufacturer Part Number:

    TPS54428DDAR

  • 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:

    Mexico

  • 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:

    18 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:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    4 A

  • Output Voltage-Max:

    7 V

  • Output Voltage-Min:

    0.76 V

  • Output Voltage-Nom:

    5.5 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

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.7 mm

  • Supply Current-Max (Isup):

    1.4 mA

  • Supply Voltage-Nom (Vsup):

    12 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    650 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    INDUSTRIAL

  • 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

TPS54428DDAR Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the TPS54428DDAR is 18V, but it's recommended to keep it below 15V for optimal performance and reliability.
  • To ensure stability, make sure to follow the recommended layout and component selection guidelines in the datasheet, and add a 10uF ceramic capacitor between the VIN and GND pins. Additionally, use a low-ESR output capacitor and keep the output voltage ripple below 1%.
  • The minimum input capacitance required is 10uF, but it's recommended to use a 22uF or larger ceramic capacitor to ensure stability and optimal performance.
  • The TPS54428DDAR is rated for operation up to 125°C, but it's recommended to derate the output current and input voltage at high temperatures to ensure reliability and prevent overheating.
  • The output voltage can be adjusted by using a resistor divider network between the VOUT and GND pins, and connecting the feedback pin to the center tap of the divider. The output voltage can be calculated using the formula: VOUT = 0.8V x (R1 + R2) / R2.

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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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