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TPS51225CRUKT - Texas Instruments

Description: Dual Synchronous Step-Down Controller with 5-V and 3.3-V LDOs

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TPS51225CRUKT - Texas Instruments - PCB symbol
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PCB Footprints
TPS51225CRUKT - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - ruk(s-pwqfn-n20)
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3D Models
TPS51225CRUKT - Texas Instruments - 3D model - Quad Flat No-Lead - ruk(s-pwqfn-n20)
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TPS51225CRUKT Details

  • Manufacturer Part Number:

    TPS51225CRUKT

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Pin Count:

    20

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    ALSO OPERATES AT 5 VOLT OUTPUT

  • Analog IC - Other Type:

    DUAL SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    24 V

  • Input Voltage-Min:

    5.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PQCC-N20

  • JESD-609 Code:

    e4

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    2

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    10 A

  • Output Voltage-Max:

    5.5 V

  • Output Voltage-Min:

    4.5 V

  • Output Voltage-Nom:

    3.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    355 kHz

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    3 mm

TPS51225CRUKT Frequently Asked Questions (FAQs)

  • A good PCB layout for the TPS51225CRUKT involves placing the input capacitors close to the VIN pin, using a solid ground plane, and keeping the high-current paths short and wide. TI provides a recommended layout in the datasheet and application notes.
  • Choose input capacitors with low ESR and high ripple current rating. For output capacitors, choose ones with low ESR and high capacitance. TI recommends using ceramic or polymer capacitors with X5R or X7R dielectrics. The datasheet provides guidelines for capacitor selection.
  • The TPS51225CRUKT is rated for operation from -40°C to 125°C. However, the maximum ambient temperature range depends on the specific application and thermal design. TI recommends following the thermal design guidelines in the datasheet to ensure reliable operation.
  • To ensure stability, follow the recommended component values and PCB layout guidelines in the datasheet. Additionally, ensure that the input and output capacitors are properly selected and placed. TI also recommends adding a small ceramic capacitor (e.g., 10nF) between the VOUT and GND pins to improve stability.
  • The TPS51225CRUKT is rated for a maximum output current of 2.5A. However, the actual output current capability depends on the input voltage, output voltage, and thermal design. TI recommends following the thermal design guidelines in the datasheet to ensure reliable operation.

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TPS51225CRUKT 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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