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LT3957EUHE#TRPBF - Analog Devices

Description: Boost, Cuk, Flyback, SEPIC Switching Regulator IC Positive or Negative Adjustable 1.6V 1 Output 5A (Switch) 36-WFQFN, 28 Leads, Exposed Pad

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LT3957EUHE#TRPBF - Analog Devices - PCB symbol
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LT3957EUHE#TRPBF - Analog Devices PCB footprint - Other - Other - UHE Package Variation: UHE28MA 36-Lead Plastic QFN (5mm × 6mm)_2025-1.1
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LT3957EUHE#TRPBF - Analog Devices - 3D model - Other - UHE Package Variation: UHE28MA 36-Lead Plastic QFN (5mm × 6mm)_2025-1.1
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LT3957EUHE#TRPBF Details

  • Manufacturer Part Number:

    LT3957EUHE#TRPBF

  • 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#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT3957EUHE 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. A 4-layer PCB with a dedicated power plane and a dedicated 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 meet the recommended specifications, and that the device is operated within its recommended operating conditions.
  • The LT3957EUHE can operate in ambient temperatures up to 125°C, but the device's junction temperature should not exceed 150°C. Proper thermal management, such as heat sinking and airflow, is recommended to ensure reliable operation.
  • Yes, the LT3957EUHE is qualified for automotive and high-reliability applications. It meets the requirements of the AEC-Q100 standard and is manufactured using a qualified process. However, additional testing and validation may be required for specific applications.
  • To troubleshoot issues, start by verifying that the device is properly powered and that the input and output voltages are within the recommended specifications. Check for proper PCB layout and component selection, and ensure that the device is operated within its recommended operating conditions. Use oscilloscopes and other diagnostic tools to identify and isolate the issue.

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LT3957EUHE#TRPBF 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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