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LT3791IFE#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LT3791IFE#PBF - Led Driver, Buck-Boost, Analogue, PWM Dimming, 4.7V-60V in, 700kHz switch, 60V/10A out, TSSOP-38

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LT3791IFE#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - FE Package Package Variation: FE38 (31) 38-Lead Plastic TSSOP (4.4mm)
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LT3791IFE#PBF - Analog Devices  - 3D model - Small Outline Packages - FE Package Package Variation: FE38 (31) 38-Lead Plastic TSSOP (4.4mm)
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LT3791IFE#PBF Details

  • Manufacturer Part Number:

    LT3791IFE#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    LEAD FREE, PLASTIC, TSSOP-38

  • Pin Count:

    38

  • Manufacturer Package Code:

    05-08-1772

  • 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-G38

  • JESD-609 Code:

    e3

  • Length:

    9.7 mm

  • Moisture Sensitivity Level:

    1

  • Multiplexed Display Capability:

    NO

  • Number of Functions:

    1

  • Number of Segments:

    9

  • Number of Terminals:

    38

  • 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

  • Seated Height-Max:

    1.2 mm

  • Supply Voltage-Max:

    60 V

  • Supply Voltage-Min:

    4.7 V

  • Supply Voltage-Nom:

    12 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

LT3791IFE#PBF Frequently Asked Questions (FAQs)

  • The LT3791 can handle input voltages up to 100V, but it's recommended to limit the input voltage to 80V for reliable operation.
  • To minimize EMI, it's essential to follow a good layout practice, such as keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the loop area of the switching node.
  • 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, to minimize output voltage ripple.
  • The output voltage of the LT3791 can be set using a resistive divider network connected to the FB pin. The recommended resistors values are R1 = 10kΩ and R2 = 2.49kΩ for a 12V output voltage.
  • The maximum output current that the LT3791 can deliver is 1.5A, but it's recommended to derate the output current based on the ambient temperature and the input voltage.

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LT3791IFE#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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