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TPS54538RQFR - Texas Instruments

Description: 3.8-V to 28-V, 5-A, 200-kHz to 2.2-MHz, synchronous buck converter

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PCB Footprints
TPS54538RQFR - Texas Instruments PCB footprint - Other - Other - RQF0009A_2025
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TPS54538RQFR - Texas Instruments  - 3D model - Other - RQF0009A_2025
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TPS54538RQFR Details

  • Manufacturer Part Number:

    TPS54538RQFR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • 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 FREQUENCY MODULATION

  • Input Voltage-Max:

    28 V

  • Input Voltage-Min:

    3.8 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PQCC-N9

  • JESD-609 Code:

    e3

  • Length:

    2 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    9

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    5 A

  • Output Voltage-Max:

    22 V

  • Output Voltage-Min:

    0.6 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VQCCN

  • Package Equivalence Code:

    LCC9,.06X.08,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2200 kHz

  • Terminal Finish:

    Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    1.5 mm

TPS54538RQFR Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the TPS54538RQFR is 42V, but it's recommended to keep it below 40V for reliable operation.
  • The output voltage of the TPS54538RQFR can be calculated using the formula: Vout = (R1 / R2) * 0.8V, where R1 and R2 are the resistors connected to the FB pin.
  • The minimum input capacitance required for the TPS54538RQFR is 10uF, but it's recommended to use a 22uF or larger capacitor for optimal performance.
  • The TPS54538RQFR is rated for operation up to 125°C, but it's recommended to derate the output current and voltage at high temperatures to ensure reliable operation.
  • To ensure stability, make sure to follow the layout guidelines in the datasheet, use a low-ESR output capacitor, and add a 10nF to 100nF capacitor between the VIN and GND pins.

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TPS54538RQFR 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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