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TPS51397ARJER - Texas Instruments

Description: Switching Voltage Regulators 4.5-V to 24-V input, 10-A, synchronous step-down regulator

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TPS51397ARJER - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - rje
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TPS51397ARJER - Texas Instruments  - 3D model - Quad Flat No-Lead - rje
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TPS51397ARJER Details

  • Manufacturer Part Number:

    TPS51397ARJER

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Date Of Intro:

    2020-09-11

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    24 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PQCC-N20

  • JESD-609 Code:

    e4

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    10 A

  • Output Voltage-Max:

    5.5 V

  • Output Voltage-Min:

    0.6 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC20,.11SQ,16

  • Package Shape:

    SQUARE

  • 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:

    800 kHz

  • Technology:

    BICMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.45 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    3 mm

TPS51397ARJER Frequently Asked Questions (FAQs)

  • A good PCB layout is crucial for the TPS51397ARJER. TI recommends a 4-layer PCB with a solid ground plane, and to keep the input and output capacitors close to the IC. Additionally, the high-current paths should be kept short and wide to minimize resistance and inductance.
  • To ensure stability, it's essential to follow the recommended component values and PCB layout guidelines. Additionally, the output capacitor's ESR (Equivalent Series Resistance) should be within the recommended range, and the output voltage should be monitored to prevent oscillations.
  • The TPS51397ARJER can handle input voltages up to 18V, but it's recommended to keep the input voltage below 15V for optimal performance and to prevent overheating.
  • The output voltage of the TPS51397ARJER can be calculated using the formula: Vout = (R1 / R2) * (1 + R3 / R4) * Vref, where R1, R2, R3, and R4 are the resistors in the feedback network, and Vref is the internal reference voltage (1.2V).
  • The TPS51397ARJER can deliver up to 3A of output current, but it's recommended to keep the output current below 2.5A for optimal performance and to prevent overheating.

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TPS51397ARJER 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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Part Image XTPS51397ARJER Texas Instruments

Switching Regulator