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LT3922EUFD-1#PBF - Analog Devices

Description: LED Lighting Drivers 36V, 2A Sync Boost LED Drvr

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LT3922EUFD-1#PBF - Analog Devices - PCB symbol
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PCB Footprints
LT3922EUFD-1#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UFD Package 28-Lead Plastic QFN (4mm × 5mm) (Reference LTC DWG # 05-08-1712 Rev C)
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3D Models
LT3922EUFD-1#PBF - Analog Devices - 3D model - Quad Flat No-Lead - UFD Package 28-Lead Plastic QFN (4mm × 5mm) (Reference LTC DWG # 05-08-1712 Rev C)
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LT3922EUFD-1#PBF Details

  • Manufacturer Part Number:

    LT3922EUFD-1#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Pin Count:

    28

  • Manufacturer Package Code:

    05-08-1712

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Date Of Intro:

    2018-07-09

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Interface IC Type:

    LED DISPLAY DRIVER

  • JESD-30 Code:

    R-PQCC-N28

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Multiplexed Display Capability:

    NO

  • Number of Functions:

    1

  • Number of Segments:

    2

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    CONSTANT-CURRENT

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC28,.16X.2,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Max:

    36 V

  • Supply Voltage-Min:

    2.8 V

  • Supply Voltage-Nom:

    12 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    4 mm

  • fmax-Min:

    0.00828 MHz

LT3922EUFD-1#PBF Frequently Asked Questions (FAQs)

  • Analog Devices provides a recommended PCB layout for the LT3922EUFD-1#PBF in the datasheet, which includes a thermal pad connected to a copper plane for heat dissipation. Additionally, it is recommended to use a 4-layer PCB with a solid ground plane and to minimize the distance between the device and the heat sink.
  • To ensure reliable operation in high-temperature environments, it is recommended to follow the thermal design guidelines provided in the datasheet, including using a heat sink with a thermal resistance of less than 10°C/W and ensuring good airflow around the device. Additionally, the device should be operated within its specified temperature range of -40°C to 125°C.
  • The maximum input voltage that can be applied to the LT3922EUFD-1#PBF is 42V, as specified in the datasheet. Exceeding this voltage can cause damage to the device.
  • To troubleshoot issues with the device's output voltage regulation, check the input voltage, output voltage, and output current to ensure they are within the specified ranges. Also, verify that the device is properly configured and that the feedback resistors are correctly connected. If the issue persists, consult the datasheet and application notes for further guidance.
  • The recommended input capacitor type and value for optimal performance are a low-ESR ceramic capacitor with a value of 10uF to 22uF, as specified in the datasheet. This helps to filter out noise and ensure stable operation.

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LT3922EUFD-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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