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LTC7841IUHE#PBF - Analog Devices

Description: Dual Phase Synchronous Boost Controller with PMBus Interface

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LTC7841IUHE#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC7841IUHE#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UHE Package 36-Lead Plastic QFN (5mm × 6mm)
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3D Models
LTC7841IUHE#PBF - Analog Devices - 3D model - Quad Flat No-Lead - UHE Package 36-Lead Plastic QFN (5mm × 6mm)
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LTC7841IUHE#PBF Details

  • Manufacturer Part Number:

    LTC7841IUHE#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Pin Count:

    36

  • Manufacturer Package Code:

    05-08-1876

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Date Of Intro:

    2019-09-30

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Additional Feature:

    O/P VOLTAGE IS UP TO 60V

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    60 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PQCC-N36

  • JESD-609 Code:

    e3

  • Length:

    6 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    36

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    5 mm

LTC7841IUHE#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC7841IUHE 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. Additionally, it's recommended to use a separate analog and digital ground plane to reduce noise coupling.
  • To ensure proper power-up and configuration of the LTC7841IUHE, follow the recommended power-up sequence, which is to apply the input voltage (VIN) before the enable signal (EN). Also, make sure to configure the device correctly by setting the correct voltage and current limits, and configuring the fault detection and protection features according to the application requirements.
  • The LTC7841IUHE has a maximum junction temperature (TJ) of 125°C. To ensure reliable operation, it's essential to provide adequate heat sinking and thermal management. This can be achieved by using a heat sink, thermal interface material, and ensuring good airflow around the device. Additionally, it's recommended to monitor the device temperature and take corrective action if it exceeds the recommended operating temperature range.
  • To troubleshoot issues with the LTC7841IUHE, start by checking the input voltage, output voltage, and current. Verify that the device is properly configured and powered up. Check for any signs of overheating, such as excessive temperature or thermal shutdown. Use an oscilloscope to monitor the output voltage and current waveforms, and check for any signs of oscillation or instability. Consult the datasheet and application notes for troubleshooting guidelines and common issues.
  • The LTC7841IUHE is a high-frequency switching regulator, and as such, it can generate electromagnetic interference (EMI). To minimize EMI, use a shielded layout, keep the switching node (SW) as short as possible, and use a common-mode choke or ferrite bead to filter the output. Additionally, ensure that the device is properly decoupled and that the input and output capacitors are selected to minimize EMI. Consult the datasheet and application notes for EMI and EMC guidelines.

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LTC7841IUHE#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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