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LT3741EFE-1#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LT3741EFE-1#PBF - DC/DC Controller, Constant Current, 6V to 36V, 1 Output, Synchronous Buck, 1MHz, TSSOP-20

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LT3741EFE-1#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - FE Package 20-Lead Plastic TSSOP (4.4mm)-ren1
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LT3741EFE-1#PBF - Analog Devices - 3D model - Small Outline Packages - FE Package 20-Lead Plastic TSSOP (4.4mm)-ren1
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LT3741EFE-1#PBF Details

  • Manufacturer Part Number:

    LT3741EFE-1#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    4.40 MM WIDTH, LEAD FREE, PLASTIC, TSSOP-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    05-08-1663 (CB)

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    8.5

  • Additional Feature:

    OUTPUT VOLTAGE RANGE 0 VOLT TO 34 VOLT

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    36 V

  • Input Voltage-Min:

    6 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    6.5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • 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

  • Seated Height-Max:

    1.2 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1070 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Width:

    4.4 mm

LT3741EFE-1#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT3741EFE-1#PBF involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces between the IC and the capacitors. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • To ensure the stability of the output voltage, it is recommended to use a minimum output capacitance of 10uF, and to keep the equivalent series resistance (ESR) of the output capacitor below 1 ohm. Additionally, the output voltage should be decoupled with a 10nF ceramic capacitor.
  • The maximum input voltage that the LT3741EFE-1#PBF can handle is 42V. Exceeding this voltage may damage the IC.
  • The output voltage of the LT3741EFE-1#PBF can be programmed using the FB pin. A resistive divider network can be used to set the output voltage. The feedback pin (FB) should be connected to the output voltage through a resistive divider network, and the output voltage can be calculated using the formula: Vout = 0.8V x (R1 + R2) / R2.
  • The thermal derating of the LT3741EFE-1#PBF is 30mW/°C above 25°C. This means that the maximum power dissipation of the IC decreases by 30mW for every degree Celsius above 25°C.

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LT3741EFE-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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