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LT3746EUHH#PBF - Analog Devices

Description: 32-Channel 20mA LED Driver with Buck Controller UHH PACKAGE 56-LEAD (5mm × 9mm) PLASTIC QFN

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LT3746EUHH#PBF - Analog Devices - PCB symbol
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PCB Footprints
LT3746EUHH#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UHH Package 56-Lead Plastic QFN (5mm × 9mm)
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LT3746EUHH#PBF - Analog Devices - 3D model - Quad Flat No-Lead - UHH Package 56-Lead Plastic QFN (5mm × 9mm)
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LT3746EUHH#PBF Details

  • Manufacturer Part Number:

    LT3746EUHH#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    9 X 5 MM, LEAD FREE, PLASTIC, QFN-56

  • Pin Count:

    56

  • Manufacturer Package Code:

    05-08-1727

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Data Input Mode:

    SERIAL

  • Interface IC Type:

    LED DISPLAY DRIVER

  • JESD-30 Code:

    R-PQCC-N56

  • JESD-609 Code:

    e3

  • Length:

    9 mm

  • Moisture Sensitivity Level:

    1

  • Multiplexed Display Capability:

    NO

  • Number of Functions:

    1

  • Number of Segments:

    32

  • Number of Terminals:

    56

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC56,.19X.35,16

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    3.3 V

  • Supply Voltage1-Max:

    55 V

  • Supply Voltage1-Min:

    6 V

  • Supply Voltage1-Nom:

    24 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    5 mm

  • fmax-Min:

    30 MHz

LT3746EUHH#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT3746EUHH#PBF 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. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • To ensure the stability of the output voltage, it is essential to choose the correct output capacitor value and type. A minimum output capacitance of 10uF is recommended, and the capacitor should have a low ESR (Equivalent Series Resistance) to minimize voltage ripple.
  • The LT3746EUHH#PBF has an operating ambient temperature range of -40°C to 125°C. However, the device can be operated at a higher temperature range with derating.
  • Yes, the LT3746EUHH#PBF is suitable for high-reliability applications. It is manufactured using a high-reliability process, and it has undergone rigorous testing to ensure its performance and reliability.
  • To troubleshoot issues with the LT3746EUHH#PBF, start by checking the input voltage, output voltage, and current. Verify that the input voltage is within the recommended range, and the output voltage is within the specified tolerance. Check for any signs of overheating, and ensure that the device is properly soldered and mounted.

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LT3746EUHH#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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