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TPS51285ARUKT - Texas Instruments

Description: Dual Synchronous, Step-Down Controller With 5-V and 3.3-V LDOs, internal 3.2ms soft start

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Symbol
TPS51285ARUKT - Texas Instruments - PCB symbol
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PCB Footprints
TPS51285ARUKT - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - RUK0020B
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3D Models
TPS51285ARUKT - Texas Instruments - 3D model - Quad Flat No-Lead - RUK0020B
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TPS51285ARUKT Details

  • Manufacturer Part Number:

    TPS51285ARUKT

  • 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

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    3.3, 5V OUTPUT AVAILABLE. ALSO OPERATES IN ADJUSTABLE MODE RANGE 10%

  • 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 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:

    20 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 Equivalence Code:

    LCC20,.11SQ,16

  • 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:

    0.8 mm

  • Supply Voltage-Nom (Vsup):

    12 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    475 kHz

  • Technology:

    BICMOS

  • 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

TPS51285ARUKT Frequently Asked Questions (FAQs)

  • A good PCB layout for the TPS51285ARUKT involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the input and output traces. TI provides a recommended PCB layout in the datasheet and application notes.
  • The choice of input and output capacitors depends on the specific application requirements. TI recommends using low-ESR capacitors with a minimum capacitance of 10uF for the input and output. The X5R or X7R dielectric type is recommended for their stability over temperature.
  • The TPS51285ARUKT is rated for operation from -40°C to 125°C. However, the device's performance and reliability may degrade at extreme temperatures. It's essential to consider the thermal design and heat dissipation in the system to ensure reliable operation.
  • Yes, the TPS51285ARUKT is qualified for automotive and high-reliability applications. It meets the AEC-Q100 standard for automotive reliability and is manufactured using a robust process to ensure high reliability.
  • To troubleshoot issues with the TPS51285ARUKT, start by checking the input voltage, output voltage, and current. Verify that the device is properly soldered and that the PCB layout is correct. Check for thermal issues, such as overheating or inadequate heat dissipation. Consult the datasheet and application notes for troubleshooting guidelines.

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TPS51285ARUKT 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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TPS51285ARUKT Alternates

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Part Image TPS51285BRUKR Texas Instruments

Dual Switching Controller, Voltage-mode, 20A, 475kHz Switching Freq-Max, BICMOS, PQCC20
Part Image TPS51285ARUKR Texas Instruments

Dual Switching Controller, Voltage-mode, 20A, 475kHz Switching Freq-Max, BICMOS, PQCC20