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LT8390HUFD#PBF - Analog Devices

Description: 4-Switch Single Inductor Architecture Allows VIN Above, Below or Equal to VOUT n Synchronous Switching: Up to 98% Efficiency n Proprietary Peak-Buck Peak-Boost Current Mode n Wide VIN Range: 4V to 60V n ±1.5% Output Voltage Accuracy: 1V ≤ VOUT ≤ 60V n ±3% Input or Output Current Accuracy with Monitor n Spread Spectrum Frequency Modulation for Low EMI n High Side PMOS Load Switch Driver n Integrated Bootstrap Diodes n No Top MOSFET Refresh Noise in Buck or Boost n Adjustable and Synchronizable: 15

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LT8390HUFD#PBF - Analog Devices - PCB symbol
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PCB Footprints
LT8390HUFD#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UFD Package 28-Lead Plastic QFN (4mm × 5mm) (Reference LTC DWG # 05-08-1712 Rev C)
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3D Models
LT8390HUFD#PBF - Analog Devices - 3D model - Quad Flat No-Lead - UFD Package 28-Lead Plastic QFN (4mm × 5mm) (Reference LTC DWG # 05-08-1712 Rev C)
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LT8390HUFD#PBF Details

  • Manufacturer Part Number:

    LT8390HUFD#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    05-08-1712

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Input Voltage-Max:

    60 V

  • Input Voltage-Min:

    4 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PQCC-N28

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Max:

    60 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC28,.12X16,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    630 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    4 mm

LT8390HUFD#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT8390 involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the input and output traces. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Also, ensure that the input and output capacitors meet the recommended specifications, and that the feedback resistors are properly selected.
  • The LT8390 is rated for operation from -40°C to 125°C, but the maximum ambient temperature range depends on the specific application and the thermal design of the system.
  • Yes, the LT8390 is available in a variety of grades, including the 'H' grade which is suitable for high-reliability applications, and the 'MP' grade which is suitable for automotive applications.
  • The power dissipation of the LT8390 can be calculated using the equation: Pd = (Vin x Iin) + (Vout x Iout) + (Iq x Vin), where Vin is the input voltage, Iin is the input current, Vout is the output voltage, Iout is the output current, and Iq is the quiescent current.

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LT8390HUFD#PBF Overview

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About Analog Devices

Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries. Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.

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