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LT3922IUFD-1#PBF - Analog Devices

Description: LED Lighting Drivers 36V, 2A Mono Synch Step-Up LED Driver

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LT3922IUFD-1#PBF - Analog Devices - PCB symbol
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PCB Footprints
LT3922IUFD-1#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UFD Package 28-Lead Plastic QFN (4mm × 5mm)
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LT3922IUFD-1#PBF - Analog Devices - 3D model - Quad Flat No-Lead - UFD Package 28-Lead Plastic QFN (4mm × 5mm)
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LT3922IUFD-1#PBF Details

  • Manufacturer Part Number:

    LT3922IUFD-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

  • 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

LT3922IUFD-1#PBF Frequently Asked Questions (FAQs)

  • Analog Devices provides a recommended PCB layout in the datasheet, but it's also recommended to follow general high-frequency PCB design guidelines, such as using a solid ground plane, minimizing trace lengths, and using bypass capacitors to reduce noise and ringing.
  • The LT3922IUFD-1#PBF has a maximum junction temperature of 125°C. Ensure that the device is properly heatsinked, and the ambient temperature is within the recommended operating range. Monitor the device's temperature using the thermal monitoring pin (TMP) or by measuring the junction temperature directly.
  • The recommended input capacitor value depends on the input voltage and frequency. A general guideline is to use a capacitor with a value between 10uF to 22uF, with a voltage rating that exceeds the maximum input voltage. However, it's recommended to consult the datasheet and application notes for specific guidance.
  • The LT3922IUFD-1#PBF is a commercial-grade device, but Analog Devices offers industrial-grade and automotive-grade versions of the device (e.g., LT3922IUFD-1#PBF-ND and LT3922IUFD-1#PBF-Q1, respectively). Ensure that the device meets the specific requirements of your application, including temperature range, reliability, and certification.
  • Start by verifying the PCB layout and component values against the recommended design. Check for proper input and output filtering, and ensure that the device is properly heatsinked. Use oscilloscopes and other diagnostic tools to identify the source of the issue. Consult the datasheet, application notes, and Analog Devices' support resources for guidance.

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LT3922IUFD-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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