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LT3957EUHE#PBF - Analog Devices

Description: Linear Technology LT3957EUHE#PBF, 1-Channel, Flyback, Inverting, SEPIC, Step Up DC-DC Converter, Adjustable 36-Pin, QFN

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LT3957EUHE#PBF - Analog Devices - PCB symbol
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PCB Footprints
LT3957EUHE#PBF - Analog Devices PCB footprint - Other - Other - UHE Package Variation: UHE28MA 36-Lead Plastic QFN (5mm × 6mm)
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LT3957EUHE#PBF - Analog Devices - 3D model - Other - UHE Package Variation: UHE28MA 36-Lead Plastic QFN (5mm × 6mm)
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LT3957EUHE#PBF Details

  • Manufacturer Part Number:

    LT3957EUHE#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    5 X 6 MM, LEAD FREE, PLASTIC, QFN-36

  • Pin Count:

    28

  • Manufacturer Package Code:

    05-08-1836

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    ALSO OPERATES AS LDO REGULATOR

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    40 V

  • Input Voltage-Min:

    3 V

  • Input Voltage-Nom:

    24 V

  • JESD-30 Code:

    R-PQCC-N36

  • JESD-609 Code:

    e3

  • Length:

    6 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    36

  • Operating Temperature-Max:

    125 °C

  • Output Current-Max:

    6.8 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    1200 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    5 mm

LT3957EUHE#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT3957EUHE 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, avoid using long input and output traces, and keep the feedback network components close to the IC.
  • The maximum ambient temperature range for the LT3957EUHE is -40°C to 125°C. However, the junction temperature should not exceed 150°C.
  • Yes, the LT3957EUHE is suitable for high-reliability applications. It is manufactured using a high-reliability process and is screened to ensure high reliability. However, it's essential to follow proper design and manufacturing practices to ensure the reliability of the final product.
  • To troubleshoot issues with the LT3957EUHE, start by checking the input and output voltages, and ensure that the input voltage is within the recommended range. Check for any signs of overheating, and verify that the PCB layout and component values are correct. Use an oscilloscope to check for any oscillations or noise on the output.

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LT3957EUHE#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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