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LTC7840EFE#PBF - Analog Devices

Description: Switching Controllers Dual Phase Dual Output Non-Synchronous Boost Controller

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LTC7840EFE#PBF - Analog Devices - PCB symbol
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LTC7840EFE#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 28-Lead Plastic TSSOP_2021
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LTC7840EFE#PBF - Analog Devices - 3D model - Small Outline Packages - 28-Lead Plastic TSSOP_2021
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LTC7840EFE#PBF Details

  • Manufacturer Part Number:

    LTC7840EFE#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    TSSOP-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    05-08-1663 (EA)

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Date Of Intro:

    2018-07-24

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Analog IC - Other Type:

    DUAL SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    60 V

  • Input Voltage-Min:

    5.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e3

  • Length:

    9.7 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    85 °C

  • Output Current-Max:

    0.1 A

  • 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:

    BOOST

  • Switching Frequency-Max:

    750 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    OTHER

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Width:

    4.4 mm

LTC7840EFE#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC7840EFE#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 4-layer PCB with a dedicated power plane and a dedicated ground plane to reduce noise and improve performance.
  • The selection of input and output capacitors for the LTC7840EFE#PBF depends on the specific application requirements. In general, it's recommended to use low-ESR capacitors with a high ripple current rating. The input capacitor should be at least 10uF, and the output capacitor should be at least 22uF. The capacitor values can be adjusted based on the output voltage and current requirements.
  • The maximum ambient temperature range for the LTC7840EFE#PBF is -40°C to 125°C. However, the device can operate at a junction temperature of up to 150°C. It's recommended to ensure that the device is operated within the specified temperature range to ensure reliable operation and to prevent overheating.
  • To troubleshoot issues with the LTC7840EFE#PBF, it's recommended to check the input voltage, output voltage, and output current to ensure they are within the specified ranges. Also, check the PCB layout and ensure that the device is properly soldered and that there are no signs of overheating or damage. Use an oscilloscope to check for any noise or oscillations on the output voltage. If the issue persists, consult the datasheet and application notes for further guidance.
  • Yes, the LTC7840EFE#PBF is suitable for use in high-reliability and automotive applications. The device is AEC-Q100 qualified and meets the requirements for automotive applications. However, it's recommended to consult the datasheet and application notes to ensure that the device is used within the specified operating conditions and that the necessary precautions are taken to ensure reliable operation.

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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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