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LT8390JFE#PBF - Analog Devices

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

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LT8390JFE#PBF - Analog Devices - PCB symbol
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LT8390JFE#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - FE Package - 28-Lead Plastic TSSOP (4.4mm)_1
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LT8390JFE#PBF - Analog Devices - 3D model - Small Outline Packages - FE Package - 28-Lead Plastic TSSOP (4.4mm)_1
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LT8390JFE#PBF Details

  • Manufacturer Part Number:

    LT8390JFE#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    TSSOP-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    05-08-1663 (EB)

  • 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-PDSO-G28

  • JESD-609 Code:

    e3

  • Length:

    9.7 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:

    HTSSOP

  • Package Equivalence Code:

    TSSOP28,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.2 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    630 kHz

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

LT8390JFE#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT8390 involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the traces between the device and the capacitors. A 4-layer PCB with a dedicated power plane and a dedicated ground plane is recommended. The datasheet provides a recommended PCB layout, but it's also a good idea to consult with experienced engineers or Analog Devices' application notes for more specific guidance.
  • The selection of input and output capacitors for the LT8390 depends on the specific application requirements, such as the input voltage range, output voltage, and output current. In general, low-ESR capacitors with high ripple current ratings are recommended. The datasheet provides some guidance on capacitor selection, but it's also important to consult with capacitor manufacturers' datasheets and application notes to ensure the selected capacitors meet the requirements.
  • The maximum ambient temperature range for the LT8390 is -40°C to 125°C. However, the device's performance and reliability may be affected at extreme temperatures, so it's important to consult with the datasheet and Analog Devices' application notes for more specific guidance on temperature-related considerations.
  • To ensure the LT8390 is stable and doesn't oscillate, it's important to follow the recommended PCB layout, select the right input and output capacitors, and ensure the device is properly bypassed. The datasheet provides some guidance on stability considerations, but it's also important to consult with Analog Devices' application notes and experienced engineers to ensure the device is properly configured for the specific application.
  • The typical efficiency of the LT8390 depends on the specific application requirements, such as the input voltage, output voltage, and output current. However, according to the datasheet, the LT8390 can achieve efficiencies of up to 95% or higher in some applications. It's important to consult with the datasheet and Analog Devices' application notes for more specific guidance on efficiency-related considerations.

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LT8390JFE#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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