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LT3791MPFE-1#PBF - Analog Devices

Description: Switching Voltage Regulators 4 Switch Buck-Boost Controller

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LT3791MPFE-1#PBF - Analog Devices - PCB symbol
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LT3791MPFE-1#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - FE Package Package Variation: FE38 (31) 38-Lead Plastic TSSOP (4.4mm)
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LT3791MPFE-1#PBF - Analog Devices - 3D model - Small Outline Packages - FE Package Package Variation: FE38 (31) 38-Lead Plastic TSSOP (4.4mm)
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LT3791MPFE-1#PBF Details

  • Manufacturer Part Number:

    LT3791MPFE-1#PBF

  • 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#PBF Frequently Asked Questions (FAQs)

  • 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 traces between the IC and the capacitors. Additionally, it's recommended to use a separate layer for the high-current paths and to avoid routing high-frequency signals near sensitive analog nodes.
  • The selection of input and output capacitors for the LT3791MPFE-1 depends on the specific application requirements. In general, low-ESR capacitors with high ripple current ratings are recommended. The input capacitor should be able to handle the input voltage and current, while the output capacitor should be able to handle the output voltage and current. The datasheet provides guidelines for capacitor selection, but it's recommended to consult with a capacitor manufacturer for specific recommendations.
  • The maximum ambient temperature range for the LT3791MPFE-1 is -40°C to 125°C. However, the device's performance and reliability may be affected at extreme temperatures. It's recommended to consult the datasheet and application notes for more information on temperature-related considerations.
  • Troubleshooting common issues with the LT3791MPFE-1 involves identifying the root cause of the problem. Oscillations or instability can be caused by a variety of factors, including poor PCB layout, inadequate decoupling, or incorrect component selection. The datasheet and application notes provide guidance on troubleshooting and debugging techniques. Additionally, Analog Devices provides technical support and resources to help engineers troubleshoot and resolve issues.
  • Thermal considerations are critical for the reliable operation of the LT3791MPFE-1. The device has a maximum junction temperature of 150°C, and it's recommended to keep the junction temperature below 125°C for optimal performance and reliability. Thermal management techniques, such as heat sinking and airflow, can help to reduce the junction temperature. The datasheet provides thermal resistance data and guidelines for thermal management.

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LT3791MPFE-1#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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