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LT3790HFE#PBF - Analog Devices

Description: Switching Voltage Regulators 60V Synchronous 4-Switch Buck-Boost Controller

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LT3790HFE#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - FE Package 38-Lead Plastic TSSOP (4.4mm)
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LT3790HFE#PBF - Analog Devices  - 3D model - Small Outline Packages - FE Package 38-Lead Plastic TSSOP (4.4mm)
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LT3790HFE#PBF Details

  • Manufacturer Part Number:

    LT3790HFE#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    4.40 MM WIDTH, LEAD FREE, PLASTIC, TSSOP-38

  • Pin Count:

    38

  • Manufacturer Package Code:

    05-08-1772

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    OUTPUT VOLTAGE RANGE FROM 1.2 VOLT TO 60 VOLT AND 0 VOLT TO 60 VOLT

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    60 V

  • Input Voltage-Min:

    4.7 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G38

  • JESD-609 Code:

    e3

  • Length:

    9.7 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    38

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Max:

    60 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • 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:

    735 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

  • Width:

    4.4 mm

LT3790HFE#PBF Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LT3790HFE is 100V, but it's recommended to keep it below 80V for reliable operation.
  • To ensure the LT3790HFE operates within its SOA, monitor the input voltage, output current, and junction temperature. Make sure they are within the recommended limits specified in the datasheet.
  • A good PCB layout for the LT3790HFE involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the high-current paths. Also, ensure good thermal conductivity by using a thermal pad and vias under the IC.
  • When selecting an inductor for the LT3790HFE, consider the inductor's saturation current, DC resistance, and core material. Choose an inductor with a saturation current higher than the peak current, low DC resistance, and a core material that can handle the switching frequency.
  • The bootstrap capacitor in the LT3790HFE circuit is used to generate the gate drive voltage for the high-side MOSFET. It ensures that the high-side MOSFET is fully turned on, reducing switching losses and improving efficiency.

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LT3790HFE#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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