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LT8390EUFD#WPBF - Analog Devices

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

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LT8390EUFD#WPBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 28-Lead Plastic QFN (4mm × 5mm)
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LT8390EUFD#WPBF - Analog Devices  - 3D model - Quad Flat No-Lead - 28-Lead Plastic QFN (4mm × 5mm)
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LT8390EUFD#WPBF Details

  • Manufacturer Part Number:

    LT8390EUFD#WPBF

  • 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

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • 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

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    125 °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

  • Peak Reflow Temperature (Cel):

    260

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    630 kHz

  • Technology:

    BIPOLAR

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    4 mm

LT8390EUFD#WPBF 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.
  • To ensure stability, make sure the output capacitor has a low ESR, and the output voltage is within the recommended range. Also, add a 10nF capacitor between the VFB pin and GND to improve stability.
  • The maximum input voltage is 42V, but it's recommended to keep it below 36V for optimal performance and reliability.
  • The LT8390EUFD is rated for operation up to 125°C, but the maximum junction temperature should not exceed 150°C. Ensure proper thermal design and heat sinking to prevent overheating.
  • The output voltage is calculated using the formula: Vout = 0.8V x (1 + R1/R2), where R1 and R2 are the resistors in the feedback network.

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LT8390EUFD#WPBF 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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