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LTC7862IUFD#TRPBF - Analog Devices

Description: VOUT Clamp Stops High Voltage Input Surges n 100% Duty Cycle Pass-Through Mode During Normal Operation n Switches During Overvoltage or Overcurrent Transients and Faults and During Startup n High Efficiency Switching Enables Long Duration Surge Protection and High Output Currents n Wide VIN Range: 4V to 140V (150V Abs Max) n Adjustable Output Voltage Clamp Up to 60V n Adjustable Output Overcurrent Protection n RSENSE or Inductor DCR Current Sensing

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LTC7862IUFD#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LTC7862IUFD#TRPBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 20-Lead Plastic QFN (4mm × 5mm)
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3D Models
LTC7862IUFD#TRPBF - Analog Devices - 3D model - Quad Flat No-Lead - 20-Lead Plastic QFN (4mm × 5mm)
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LTC7862IUFD#TRPBF Details

  • Manufacturer Part Number:

    LTC7862IUFD#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-20

  • Pin Count:

    24

  • Manufacturer Package Code:

    05-08-1711

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    INPUT FAULT PROTECTION CONTROLLER

  • JESD-30 Code:

    R-PQCC-N20

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.8 mm

  • Supply Voltage-Max (Vsup):

    140 V

  • Supply Voltage-Min (Vsup):

    4 V

  • Supply Voltage-Nom (Vsup):

    12 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    4 mm

LTC7862IUFD#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout is crucial for the LTC7862IUFD's performance. Analog Devices recommends a 4-layer board with a solid ground plane, and to keep the input and output traces separate to minimize noise coupling. Additionally, it's recommended to use a low-ESR capacitor for the input and output capacitors.
  • The input and output capacitors should be selected based on the operating frequency, output current, and desired ripple voltage. A general rule of thumb is to use a capacitor with a low equivalent series resistance (ESR) and a high ripple current rating. For the LTC7862IUFD, a 10uF to 22uF ceramic capacitor with an X7R or X5R dielectric is recommended for the input and output capacitors.
  • The LTC7862IUFD is rated for operation up to 125°C ambient temperature, but it's recommended to derate the output current and input voltage to ensure reliable operation at high temperatures. It's also important to ensure good airflow and heat sinking to keep the junction temperature below 150°C.
  • Oscillations or instability issues can be caused by a variety of factors, including poor PCB layout, inadequate input and output capacitors, or incorrect component values. To troubleshoot, start by checking the PCB layout and ensuring that the input and output traces are separate and not coupled. Next, check the input and output capacitors and ensure they meet the recommended specifications. Finally, verify that the component values are correct and that the feedback loop is properly compensated.
  • Yes, the LTC7862IUFD is suitable for high-reliability and automotive applications. It's built with high-reliability materials and manufacturing processes, and it's qualified to the AEC-Q100 standard for automotive applications. However, it's still important to follow proper design and testing procedures to ensure the device meets the specific requirements of the application.

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LTC7862IUFD#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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