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TPS65251RHAT - Texas Instruments

Description: Texas Instruments, TPS65251RHAT Step-Down Switching Regulator Triple 3A, Maximum of 3.3 V, 40-Pin VQFN

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PCB Footprints
TPS65251RHAT - Texas Instruments PCB footprint - Other - Other - QFN50P600X600X100-41N
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3D Models
TPS65251RHAT - Texas Instruments  - 3D model - Other - QFN50P600X600X100-41N
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TPS65251RHAT Details

  • Manufacturer Part Number:

    TPS65251RHAT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Pin Count:

    40

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    ALSO HAS PFM CONTROL TECHNIQUE

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-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:

    S-PQCC-N40

  • JESD-609 Code:

    e4

  • Length:

    6 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Outputs:

    3

  • Number of Terminals:

    40

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    3 A

  • Output Voltage-Max:

    17 V

  • Output Voltage-Min:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC40,.24SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2200 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    6 mm

TPS65251RHAT Frequently Asked Questions (FAQs)

  • A good PCB layout for the TPS65251RHAT involves placing the input capacitors close to the VIN pin, using a solid ground plane, and keeping the high-current paths short and wide. It's also recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
  • The output voltage of the TPS65251RHAT can be adjusted using the FB pin. The recommended output voltage range is 0.9V to 3.3V. To choose the right output voltage, consider the voltage requirements of your load, the input voltage range, and the desired efficiency.
  • The TPS65251RHAT can handle input voltages up to 18V, but it's recommended to keep the input voltage below 15V for optimal performance and reliability.
  • To ensure the stability of the output voltage during startup and shutdown, use a soft-start circuit to limit the inrush current and prevent voltage overshoot. You can also use a capacitor on the EN pin to filter out noise and ensure a clean shutdown.
  • The TPS65251RHAT can deliver up to 2A of output current, but the actual output current depends on the input voltage, output voltage, and thermal conditions. Be sure to check the thermal derating curves in the datasheet to ensure reliable operation.

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TPS65251RHAT 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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