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LT3799IMSE#PBF - Analog Devices

Description: Offline Isolated Flyback LED Controller with Active PFC

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LT3799IMSE#PBF Details

  • Manufacturer Part Number:

    LT3799IMSE#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Pin Count:

    16

  • Manufacturer Package Code:

    05-08-1667

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Interface IC Type:

    LED DISPLAY DRIVER

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e3

  • Length:

    4.039 mm

  • Moisture Sensitivity Level:

    1

  • Multiplexed Display Capability:

    NO

  • Number of Functions:

    1

  • Number of Segments:

    6

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Supply Voltage-Nom:

    18 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3 mm

LT3799IMSE#PBF Frequently Asked Questions (FAQs)

  • The LT3799 can handle input voltages up to 100V, but it's recommended to keep it below 80V for optimal performance and reliability.
  • To optimize the layout for high-frequency operation, keep the input and output capacitors close to the IC, use short and wide traces for the power paths, and avoid vias and right-angle bends. Also, consider using a 4-layer PCB with a solid ground plane to reduce noise and EMI.
  • The recommended output capacitor value is 10uF to 22uF, and it's recommended to use a low-ESR ceramic capacitor such as X5R or X7R type. This will help to reduce output voltage ripple and improve transient response.
  • The output voltage of the LT3799 can be set using the FB pin and a resistive divider network. The recommended resistive divider ratio is 1:1 to 1:5, and the output voltage can be calculated using the formula: Vout = 0.8V x (R1 + R2) / R2.
  • The maximum output current of the LT3799 is 2A, but it's recommended to derate the output current based on the input voltage, output voltage, and ambient temperature to ensure reliable operation.

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LT3799IMSE#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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