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LT3741EUF-1#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LT3741EUF-1#PBF - DC/DC Controller, Constant Current, 6V to 36V, 1 Output, Synchronous Buck, 1MHz, QFN-20

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LT3741EUF-1#PBF - Analog Devices - PCB symbol
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PCB Footprints
LT3741EUF-1#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UF Package 20-Lead Plastic QFN (4mm × 4mm)
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3D Models
LT3741EUF-1#PBF - Analog Devices - 3D model - Quad Flat No-Lead - UF Package 20-Lead Plastic QFN (4mm × 4mm)
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LT3741EUF-1#PBF Details

  • Manufacturer Part Number:

    LT3741EUF-1#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    4 X 4 MM, LEAD FREE, PLASTIC, MO-220WGGD-1, QFN-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    05-08-1710

  • 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:

    S-PQCC-N20

  • JESD-609 Code:

    e3

  • Length:

    4 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:

    HVQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1070 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    4 mm

LT3741EUF-1#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT3741EUF-1#PBF involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the traces between the device and the capacitors. Additionally, it's recommended to use a separate analog and digital ground plane to reduce noise and interference.
  • To ensure the stability of the output voltage, it's essential to choose the correct output capacitor value and type. A minimum output capacitance of 10uF is recommended, and the capacitor should have a low ESR (Equivalent Series Resistance) to minimize voltage ripple. Additionally, the output voltage should be decoupled from the input voltage using a capacitor and a resistor in series.
  • The LT3741EUF-1#PBF has an operating temperature range of -40°C to 125°C, but the maximum ambient temperature range depends on the specific application and the thermal design of the system. It's recommended to derate the device's power dissipation based on the ambient temperature to ensure reliable operation.
  • Yes, the LT3741EUF-1#PBF is suitable for high-reliability and automotive applications. It's manufactured using a high-reliability process, and it's qualified to the AEC-Q100 standard for automotive applications. However, it's essential to follow the recommended design and layout guidelines to ensure the device operates within its specifications.
  • To troubleshoot issues with the LT3741EUF-1#PBF, start by checking the input voltage, output voltage, and output current. Verify that the device is properly soldered and that the PCB layout is correct. Check for any signs of overheating, such as excessive temperature rise or thermal shutdown. Use an oscilloscope to measure the output voltage ripple and noise, and check for any signs of oscillation or instability.

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LT3741EUF-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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