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TPS51285BRUKR - Texas Instruments

Description: Ultra-Low Quiescent (ULQT), Dual Synchronous Step-Down Controller with 5V and 3.3V LDOs

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PCB Footprints
TPS51285BRUKR - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - ruk(s-pwqfn-n20)
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3D Models
TPS51285BRUKR - Texas Instruments  - 3D model - Quad Flat No-Lead - ruk(s-pwqfn-n20)
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TPS51285BRUKR Details

  • Manufacturer Part Number:

    TPS51285BRUKR

  • 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

TPS51285BRUKR Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the input and output capacitors close to the IC, and use short, wide traces for the power paths.
  • Ensure that the output capacitor has a low ESR, and the input capacitor has a high capacitance. Also, add a small ceramic capacitor (e.g., 10nF) between the VIN and GND pins to filter high-frequency noise.
  • The maximum input voltage is 6.5V, but it's recommended to keep it below 5.5V to ensure reliable operation and prevent overheating.
  • Use the formula: Vout = (R1 / R2) * (VIN - Vdropout), where R1 and R2 are the feedback resistors. The maximum output current is limited by the internal current limit (typically 2A) and the thermal limitations of the package.
  • The EN (enable) pin is an active-high input that enables or disables the regulator. Connect it to VIN or a logic signal to control the regulator's operation. When EN is low, the regulator is in shutdown mode, and the output is disconnected from the input.

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TPS51285BRUKR 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 TPS51285ARUKT 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