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LT8390AIUFD#PBF - Analog Devices

Description: DC/DC Cntrlr Single-OUT Step Down/Step Up 1430kHz Automotive 28-Pin QFN EP Tube

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LT8390AIUFD#PBF - Analog Devices - PCB symbol
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PCB Footprints
LT8390AIUFD#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UFD PACKAGE 28-LEAD (4mm s 5mm) PLASTIC QFN
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LT8390AIUFD#PBF - Analog Devices - 3D model - Quad Flat No-Lead - UFD PACKAGE 28-LEAD (4mm s 5mm) PLASTIC QFN
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LT8390AIUFD#PBF Details

  • Manufacturer Part Number:

    LT8390AIUFD#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    05-08-1712

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Additional Feature:

    SEATED HT-CALCULATED

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    60 V

  • Input Voltage-Min:

    4 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PQCC-N28

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Max:

    60 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC28,.16X.2,20

  • Package Shape:

    RECTANGULAR

  • 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:

    2100 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    AUTOMOTIVE

  • 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:

    4 mm

LT8390AIUFD#PBF Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the input and output capacitors close to the IC, and use short, wide traces for the power paths.
  • To ensure stability, make sure the output capacitor has a low ESR (Equivalent Series Resistance) and a high ripple current rating. Also, ensure the output voltage is within the recommended range (1.2V to 15V) and the output current is within the recommended range (up to 2A).
  • The maximum ambient temperature for reliable operation of the LT8390AIUFD is 85°C. However, the junction temperature (TJ) should not exceed 125°C.
  • Yes, the LT8390AIUFD is suitable for high-reliability applications. It is manufactured using a high-reliability process and is qualified to automotive and industrial standards. However, additional testing and validation may be required for specific applications.
  • To troubleshoot issues, start by checking the input voltage, output voltage, and output current. Verify that the input and output capacitors are properly sized and connected. Check for thermal issues by ensuring good airflow and a low thermal resistance between the IC and the PCB. Use an oscilloscope to check for oscillations or noise on the output.

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LT8390AIUFD#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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