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LTM8042IV#PBF - Analog Devices

Description: LED Lighting Drivers 1A Boost LED Drive uModule

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LTM8042IV#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTM8042IV#PBF - Analog Devices PCB footprint - Other - Other - LGA PACKAGE 77-LEAD (15mm × 9mm × 2.82mm)
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3D Models
LTM8042IV#PBF - Analog Devices - 3D model - Other - LGA PACKAGE 77-LEAD (15mm × 9mm × 2.82mm)
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LTM8042IV#PBF Details

  • Manufacturer Part Number:

    LTM8042IV#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    15 X 9 MM, 2.82 MM HEIGHT, ROHS COMPLIANT, MO-222, LGA-77

  • Pin Count:

    77

  • Manufacturer Package Code:

    05-08-1859

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    8.5

  • Interface IC Type:

    LED DISPLAY DRIVER

  • JESD-30 Code:

    R-PBGA-N77

  • JESD-609 Code:

    e4

  • Length:

    15 mm

  • Moisture Sensitivity Level:

    3

  • Multiplexed Display Capability:

    NO

  • Number of Functions:

    1

  • Number of Segments:

    8

  • Number of Terminals:

    77

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LGA

  • Package Equivalence Code:

    LGA77,7X11,50

  • Package Shape:

    RECTANGULAR

  • Package Style:

    GRID ARRAY

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.92 mm

  • Supply Voltage-Max:

    30 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    HYBRID

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Gold (Au)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    BOTTOM

  • Width:

    9 mm

LTM8042IV#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for optimal thermal performance involves placing the LTM8042IV#PBF near a thermal pad or a heat sink, and ensuring good thermal conductivity between the device and the PCB. A 4-layer PCB with a solid ground plane and a thermal relief pattern around the device can help to dissipate heat efficiently.
  • To ensure reliable operation in high-temperature environments, it's essential to follow proper thermal design and layout guidelines, and to derate the device's power dissipation accordingly. Additionally, consider using a heat sink or a thermal interface material to improve heat dissipation, and ensure that the device is operated within its specified temperature range.
  • Using a lower input voltage than the recommended 3.3V or 5V may result in reduced output current capability, increased dropout voltage, and decreased efficiency. Using a higher input voltage may result in increased power dissipation, reduced reliability, and potential damage to the device. It's essential to operate the device within its specified input voltage range for optimal performance and reliability.
  • To troubleshoot issues with the device's output voltage regulation, check the input voltage, output load, and feedback resistors for correctness and stability. Verify that the device is operated within its specified input voltage range and output current capability. Also, check for any signs of overheating, and ensure that the device is properly soldered and connected to the PCB.
  • The LTM8042IV#PBF is a switching regulator, and as such, it can generate electromagnetic interference (EMI) and radio-frequency interference (RFI). To minimize EMI and RFI, use proper PCB layout and shielding techniques, such as using a shielded inductor, and placing the device away from sensitive analog circuits. Additionally, consider using EMI filters or common-mode chokes to reduce emissions.

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LTM8042IV#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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