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LT3922EUFD#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LT3922EUFD#PBF - LED DRIVER, MULTI-TOPOLOGY, QFN-28

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PCB Footprints
LT3922EUFD#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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LT3922EUFD#PBF - Analog Devices  - 3D model - Quad Flat No-Lead - UFD Package 28-Lead Plastic QFN (4mm × 5mm)
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LT3922EUFD#PBF Details

  • Manufacturer Part Number:

    LT3922EUFD#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    05-08-1712

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Data Input Mode:

    SERIAL

  • Input Characteristics:

    STANDARD

  • 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

  • Output Polarity:

    TRUE

  • 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 Current-Max:

    4 mA

  • 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:

    1.88 MHz

LT3922EUFD#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT3922EUFD involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the input and output traces. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Also, ensure that the input and output capacitors are of high quality and have low ESR. Additionally, a minimum of 10uF input capacitance is recommended.
  • The maximum ambient temperature range for the LT3922EUFD is -40°C to 125°C. However, the device can operate up to 150°C with derating.
  • Yes, the LT3922EUFD is suitable for high-reliability applications. It is manufactured using a high-reliability process and is screened to ensure high reliability. However, it is recommended to follow the recommended operating conditions and design guidelines to ensure optimal performance.
  • To troubleshoot issues with the LT3922EUFD, start by checking the input and output voltages, and ensuring that the device is operating within the recommended operating conditions. Check for any signs of overheating, and verify that the PCB layout and component selection meet the recommended guidelines.

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LT3922EUFD#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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