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LTC3897HUHG-2#PBF - Analog Devices

Description: Boost Regulator Positive Output Step-Up DC-DC Controller IC 38-QFN (5x7)

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LTC3897HUHG-2#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC3897HUHG-2#PBF - Analog Devices PCB footprint - Other - Other - UHG PACKAGE 44(38)-LEAD (5mm × 8mm)_2025-5
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LTC3897HUHG-2#PBF - Analog Devices - 3D model - Other - UHG PACKAGE 44(38)-LEAD (5mm × 8mm)_2025-5
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LTC3897HUHG-2#PBF Details

  • Manufacturer Part Number:

    LTC3897HUHG-2#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-44/38

  • Pin Count:

    38

  • Manufacturer Package Code:

    05-08-1616

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PHASE-SHIFT CONTROL

  • Input Voltage-Max:

    75 V

  • Input Voltage-Min:

    4.2 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PQCC-N38

  • Length:

    8 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    38

  • 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:

    LCC38/44,.2X.32,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    250

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    585 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    5 mm

LTC3897HUHG-2#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3897 involves keeping the high-current paths short and wide, using a solid ground plane, and placing the input and output capacitors close to the device. A 4-layer board with a dedicated power plane and a solid ground plane is recommended. Additionally, it's essential to follow the datasheet's guidelines for thermal management and to ensure good thermal conductivity between the device and the PCB.
  • To select the right inductor for your application, you need to consider factors such as inductance value, saturation current, and DC resistance. The datasheet provides guidelines for inductor selection, including a table of recommended inductors. You can also use online inductor selection tools or consult with an applications engineer for assistance.
  • The maximum ambient temperature for the LTC3897 is 105°C. However, the device's junction temperature (TJ) should not exceed 125°C. You need to ensure that the device's thermal management is properly designed to keep the junction temperature within the specified limits.
  • Yes, the LTC3897 is available in a variety of grades, including the H-grade, which is suitable for high-reliability applications, and the MP-grade, which is suitable for automotive applications. These grades have additional testing and screening to ensure higher reliability and robustness.
  • To troubleshoot issues with the LTC3897, you can use a variety of tools and techniques, including oscilloscopes, signal generators, and thermal imaging cameras. You should also consult the datasheet and application notes for troubleshooting guidelines and checklists. Additionally, you can contact Analog Devices' technical support team for assistance.

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LTC3897HUHG-2#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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