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LT8390HUFD#TRPBF - Analog Devices

Description: 60V Synchronous 4-Switch Buck-Boost Controller with Spread Spectrum

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LT8390HUFD#TRPBF - Analog Devices - PCB symbol
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LT8390HUFD#TRPBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 28-Lead Plastic QFN (4mm × 5mm)
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LT8390HUFD#TRPBF - Analog Devices - 3D model - Quad Flat No-Lead - 28-Lead Plastic QFN (4mm × 5mm)
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LT8390HUFD#TRPBF Details

  • Manufacturer Part Number:

    LT8390HUFD#TRPBF

  • 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#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout is crucial for the LT8390's performance. Analog Devices recommends a 4-layer board with a solid ground plane, and to keep the input and output capacitors close to the IC. A demo board is available from Analog Devices, which can serve as a reference design.
  • The input capacitor should be a low-ESR ceramic capacitor with a value between 10uF to 22uF. The output capacitor should be a low-ESR ceramic or tantalum capacitor with a value between 22uF to 47uF. The capacitor selection will affect the stability and transient response of the converter.
  • The LT8390HUFD#TRPBF is rated for operation up to 125°C ambient temperature. However, the maximum junction temperature is 150°C, and the device should be derated for reliable operation above 85°C ambient temperature.
  • To ensure stability, follow the recommended component values and PCB layout. Also, make sure the input and output capacitors are properly selected, and the feedback network is correctly configured. A stability analysis can be performed using the datasheet's stability analysis section.
  • The LT8390HUFD#TRPBF can deliver up to 2A of output current. However, the maximum output current is dependent on the input voltage, output voltage, and ambient temperature. The device should be derated for reliable operation above 1.5A output current.

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LT8390HUFD#TRPBF 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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