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LTC3850IGN#TRPBF - Analog Devices

Description: Buck Regulator Positive Output Step-Down DC-DC Controller IC 28-SSOP TJMAX = 125°C, θJA = 95°C/W GN PACKAGE

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LTC3850IGN#TRPBF - Analog Devices - PCB symbol
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LTC3850IGN#TRPBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - GN (28-Lead SSOP)_1
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LTC3850IGN#TRPBF - Analog Devices - 3D model - Small Outline Packages - GN (28-Lead SSOP)_1
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LTC3850IGN#TRPBF Details

  • Manufacturer Part Number:

    LTC3850IGN#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SSOP-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    05-08-1641 (GN28)

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog IC - Other Type:

    DUAL SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    30 V

  • Input Voltage-Min:

    4 V

  • Input Voltage-Nom:

    15 V

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e3

  • Length:

    9.893 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    2

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.1 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SSOP

  • Package Equivalence Code:

    SSOP28,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    PHASE-SHIFT

  • Switching Frequency-Max:

    860 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.635 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    3.899 mm

LTC3850IGN#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3850IGN#TRPBF involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces between the IC and the capacitors. Additionally, it's recommended to use a separate analog ground plane and to keep the switching node (SW pin) away from sensitive analog nodes.
  • When choosing an inductor for the LTC3850IGN#TRPBF, consider the inductor's saturation current, DC resistance, and core material. A good starting point is to choose an inductor with a saturation current rating of at least 1.5 times the maximum output current, and a DC resistance of less than 100mΩ. Additionally, consider using a shielded inductor to reduce EMI.
  • The maximum ambient temperature range for the LTC3850IGN#TRPBF is -40°C to 125°C. However, the device's performance and reliability may be affected at temperatures above 85°C, so it's recommended to derate the device's performance and consider additional thermal management measures in high-temperature applications.
  • Yes, the LTC3850IGN#TRPBF is suitable for high-reliability and automotive applications. It's manufactured using a high-reliability process and is qualified to AEC-Q100 Grade 1 standards. However, additional testing and validation may be required to ensure compliance with specific industry standards and regulations.
  • Common issues with the LTC3850IGN#TRPBF can often be traced back to poor PCB layout, incorrect component selection, or inadequate decoupling. To troubleshoot, start by verifying the PCB layout and component selection, then check the input and output voltage waveforms using an oscilloscope. Additionally, ensure that the device is properly decoupled and that the input voltage is within the recommended range.

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LTC3850IGN#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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