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LT3791HFE-1#TRPBF - Analog Devices

Description: Buck-Boost Regulator Positive Output Step-Up/Step-Down DC-DC Controller IC 38-TSSOP-EP

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LT3791HFE-1#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LT3791HFE-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
LT3791HFE-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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LT3791HFE-1#TRPBF Details

  • Manufacturer Part Number:

    LT3791HFE-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:

    -40 °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

LT3791HFE-1#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT3791HFE-1 involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces between the IC and the capacitors. A 4-layer PCB with a dedicated power plane is recommended. Refer to the LT3791 demo board layout for a reference design.
  • Choose input capacitors with low ESR and high ripple current rating. For output capacitors, select ones with low ESR, high capacitance, and a voltage rating that meets the output voltage requirement. The datasheet provides guidelines for capacitor selection, and the LT3791 demo board BOM can be used as a reference.
  • The LT3791HFE-1 is rated for operation from -40°C to 125°C ambient temperature. However, the junction temperature (TJ) should not exceed 150°C. Ensure proper thermal design and heat sinking to maintain a safe operating temperature.
  • Yes, the LT3791HFE-1 is qualified for automotive and high-reliability applications. It meets the AEC-Q100 standard and is manufactured with a controlled process flow to ensure high reliability. However, additional testing and validation may be required for specific applications.
  • Common issues with the LT3791HFE-1 can be troubleshooted by checking the PCB layout, component selection, and soldering quality. Ensure that the input and output capacitors are properly selected and placed, and that the feedback network is correctly configured. Refer to the datasheet and application notes for troubleshooting guidelines.

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LT3791HFE-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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