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TPS51285BRUKT - Texas Instruments

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

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TPS51285BRUKT - Texas Instruments PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - ruk(s-pwqfn-n20)
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TPS51285BRUKT - Texas Instruments  - 3D model - Quad Flat No-Lead - ruk(s-pwqfn-n20)
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TPS51285BRUKT Details

  • Manufacturer Part Number:

    TPS51285BRUKT

  • 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

TPS51285BRUKT Frequently Asked Questions (FAQs)

  • A good PCB layout is crucial for the TPS51285BRUKT. Ensure a solid ground plane, keep the input and output capacitors close to the IC, and use a star topology for the power connections. Refer to the TI application note SLVAE03 for more details.
  • Choose X5R or X7R ceramic capacitors with a voltage rating of at least 2x the input voltage. For the output capacitor, select a capacitor with a low ESR (Equivalent Series Resistance) and a capacitance value between 10uF to 22uF. Refer to the TI application note SLVAE03 for more details.
  • The maximum input voltage rating for the TPS51285BRUKT is 18V. However, it's recommended to operate within the 12V to 15V range for optimal performance and reliability.
  • The output voltage can be adjusted by changing the resistor divider ratio (R1 and R2) connected to the FB pin. Use the formula: Vout = 0.8V x (1 + R2/R1) to calculate the desired output voltage.
  • The minimum input voltage required for the TPS51285BRUKT to operate is 4.5V. However, the device can operate down to 4V with reduced performance and efficiency.

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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 TPS51285BRUKR Texas Instruments

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

Part Image TPS51285ARUKR Texas Instruments

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