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TPS54428DDA - Texas Instruments

Description: Buck Switching Regulator IC Positive Adjustable 0.76V 1 Output 4A 8-PowerSOIC (0.154", 3.90mm Width)

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TPS54428DDA - Texas Instruments - PCB symbol
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TPS54428DDA - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DDA (PDSO-G8)
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TPS54428DDA - Texas Instruments - 3D model - Small Outline Packages - DDA (PDSO-G8)
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TPS54428DDA Details

  • Manufacturer Part Number:

    TPS54428DDA

  • 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

TPS54428DDA Frequently Asked Questions (FAQs)

  • A good PCB layout for the TPS54428DDA involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the input and output traces. Additionally, it's recommended to use a star-ground configuration and to keep the switching node (SW) away from sensitive analog nodes.
  • The choice of input and output capacitors for the TPS54428DDA depends on the specific application requirements. In general, it's recommended to use low-ESR capacitors with a voltage rating that exceeds the maximum input voltage. For the input capacitor, a 10uF to 22uF ceramic capacitor is a good starting point, while for the output capacitor, a 10uF to 47uF ceramic capacitor is suitable. The capacitor values can be adjusted based on the specific application requirements and the desired output ripple voltage.
  • The TPS54428DDA is rated for operation over a temperature range of -40°C to 125°C. However, the device's performance and reliability may be affected at extreme temperatures. It's recommended to operate the device within a temperature range of 0°C to 85°C for optimal performance and reliability.
  • The TPS54428DDA has a built-in overcurrent protection feature that can be enabled by connecting a resistor between the OCSET pin and the GND pin. The value of the resistor determines the overcurrent threshold. A lower resistor value will trigger the overcurrent protection at a lower current level, while a higher resistor value will trigger it at a higher current level.
  • The recommended input voltage range for the TPS54428DDA is 4.5V to 18V. Operating the device outside of this range may affect its performance and reliability. It's recommended to ensure that the input voltage is within the specified range to ensure optimal performance and reliability.

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TPS54428DDA 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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TPS54428DDA Alternates

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Part Image TPS54428DDAR Texas Instruments

Switching Regulator, Voltage-mode, 4A, 650kHz Switching Freq-Max, BICMOS, PDSO8