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LT3791MPFE-1#TRPBF - Analog Devices

Description: 60V 4-Switch Synchronous Buck-Boost Controller

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LT3791MPFE-1#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LT3791MPFE-1#TRPBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - FE Package 38-Lead Plastic TSSOP (4.4mm) (Reference LTC DWG # 05-08-1772 Rev C) Exposed Pad Variation AA
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3D Models
LT3791MPFE-1#TRPBF - Analog Devices - 3D model - Small Outline Packages - FE Package 38-Lead Plastic TSSOP (4.4mm) (Reference LTC DWG # 05-08-1772 Rev C) Exposed Pad Variation AA
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LT3791MPFE-1#TRPBF Details

  • Manufacturer Part Number:

    LT3791MPFE-1#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    4.40 MM, 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

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • 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:

    -55 °C

  • Output Voltage-Max:

    60 V

  • Output Voltage-Nom:

    5 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

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

LT3791MPFE-1#TRPBF Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LT3791MPFE-1 is 100V, but it's recommended to keep it below 90V for reliable operation.
  • To ensure the LT3791MPFE-1 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 LT3791MPFE-1 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. Refer to the datasheet and application notes for more detailed guidelines.
  • When selecting an output inductor for the LT3791MPFE-1, consider the inductor's saturation current, DC resistance, and core material. Choose an inductor with a saturation current higher than the maximum output current, and a DC resistance that minimizes power loss.
  • The SYNC pin on the LT3791MPFE-1 allows synchronization of the switching frequency with an external clock signal. This can be useful in reducing EMI and improving system performance. To use the SYNC pin, connect it to a clock signal with a frequency between 100kHz and 1MHz, and ensure the signal is within the specified voltage range.

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LT3791MPFE-1#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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