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LTC7818EUJ#PBF - Analog Devices

Description: 40V, Low IQ, 3MHz, Triple Output Buck/Buck/Boost Synchronous Controller

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PCB Footprints
LTC7818EUJ#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UJ 40-Lead (6mm × 6mm) QFN
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LTC7818EUJ#PBF - Analog Devices  - 3D model - Quad Flat No-Lead - UJ 40-Lead (6mm × 6mm) QFN
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LTC7818EUJ#PBF Details

  • Manufacturer Part Number:

    LTC7818EUJ#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-40

  • Pin Count:

    40

  • Manufacturer Package Code:

    05-08-1728

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Date Of Intro:

    2019-12-09

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    40 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PQCC-N40

  • JESD-609 Code:

    e3

  • Length:

    6 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    40

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Max:

    40 V

  • Output Voltage-Min:

    0.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC40,.24SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    3000 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    6 mm

LTC7818EUJ#PBF Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LTC7818EUJ is 40V, but it's recommended to keep it below 36V for reliable operation.
  • To ensure stability, make sure to follow the recommended layout and component selection guidelines in the datasheet, including the use of a 10uF ceramic capacitor at the output and a 1uF ceramic capacitor at the input.
  • Yes, the LTC7818EUJ is rated for operation up to 125°C, but the maximum junction temperature (TJ) should not exceed 150°C. Ensure proper thermal design and heat sinking to maintain a safe operating temperature.
  • Power dissipation can be calculated using the formula: Pd = (Vin - Vout) x Iout + (Vin x Iq), where Iq is the quiescent current. Use the datasheet values for Iq and the actual values of Vin, Vout, and Iout in your design.
  • Yes, the LTC7818EUJ is compatible with lead-free soldering processes, but ensure that the soldering temperature does not exceed 260°C for 10 seconds or 240°C for 30 seconds.

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LTC7818EUJ#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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