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LTC7871JLWE#PBF - Analog Devices

Description: Six-Phase, Synchronous Bidirectional Buck or Boost Controller

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LTC7871JLWE#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC7871JLWE#PBF - Analog Devices PCB footprint - Quad Flat Packages - Quad Flat Packages - LWE Package 64-Lead Plastic Exposed Pad LQFP (10mm × 10mm) (Reference LTC DWG #05-08-1982 Rev A)
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3D Models
LTC7871JLWE#PBF - Analog Devices - 3D model - Quad Flat Packages - LWE Package 64-Lead Plastic Exposed Pad LQFP (10mm × 10mm) (Reference LTC DWG #05-08-1982 Rev A)
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LTC7871JLWE#PBF Details

  • Manufacturer Part Number:

    LTC7871JLWE#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    LQFP-64

  • Pin Count:

    64

  • Manufacturer Package Code:

    05-08-1982

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Date Of Intro:

    2020-03-18

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    8.5

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • JESD-30 Code:

    S-PQFP-G64

  • Length:

    10 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    64

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HLFQFP

  • Package Equivalence Code:

    QFP64,.47SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    FLATPACK, HEAT SINK/SLUG, LOW PROFILE, FINE PITCH

  • Seated Height-Max:

    1.6 mm

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    780 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    10 mm

LTC7871JLWE#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC7871 involves keeping the input and output traces short and wide, using a solid ground plane, and placing the input and output capacitors close to the device. Additionally, it's recommended to use a separate analog and digital ground plane to minimize noise coupling.
  • To ensure accurate current sensing with the LTC7871, it's essential to use a sense resistor with a low temperature coefficient and to place it close to the device. Additionally, the sense resistor should be sized to provide a voltage drop that is within the device's input range, and the PCB layout should be designed to minimize noise and thermal effects.
  • The LTC7871 can operate in ambient temperatures ranging from -40°C to 125°C. However, the device's performance and accuracy may be affected at extreme temperatures, so it's essential to consider the specific application requirements and ensure that the device is operated within its recommended specifications.
  • The LTC7871 is designed to operate with input voltages up to 80V, but it can be used in high-voltage applications with the use of external voltage dividers or attenuators. However, it's essential to ensure that the device's input voltage does not exceed its maximum rating, and that the external circuitry is designed to handle the high voltage.
  • The LTC7871 does not require calibration, as it is a highly accurate device with a built-in calibration circuit. However, it's essential to follow the recommended PCB layout and component selection guidelines to ensure optimal performance. Additionally, the device's performance can be optimized by adjusting the gain and offset settings using external resistors.

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LTC7871JLWE#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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