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TPS65257RHAT - Texas Instruments

Description: 4.5v to 16v input, 3A/2A/2A output Synchronous triple buck converter with USB switch

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PCB Footprints
TPS65257RHAT - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RHA0040E
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3D Models
TPS65257RHAT - Texas Instruments  - 3D model - Quad Flat No-Lead - RHA0040E
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TPS65257RHAT Details

  • Manufacturer Part Number:

    TPS65257RHAT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Package Description:

    VQFN-40

  • Pin Count:

    40

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    PFM CONTROL TECHNIQUE ALSO POSSIBLE

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    16 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:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    3 A

  • Output Voltage-Max:

    15 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

  • Technology:

    BICMOS

  • Temperature Grade:

    INDUSTRIAL

  • 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

TPS65257RHAT Frequently Asked Questions (FAQs)

  • A good PCB layout for the TPS65257RHAT 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 TPS65257RHAT 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 TPS65257RHAT can handle input voltages up to 18V, but it's recommended to operate within the 4.5V to 15V range for optimal performance and efficiency.
  • To ensure stability, make sure to use the recommended output capacitor values and types, and place them close to the output pins. Also, ensure that the input voltage is within the recommended range, and the input capacitor is properly sized.
  • The TPS65257RHAT is rated for operation up to 125°C, but the maximum junction temperature is 150°C. Make sure to consider the thermal design and heat dissipation in your application to ensure reliable operation.

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TPS65257RHAT 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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