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LTC7149IFE#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LTC7149IFE#PBF - DC/DC CONV, SYNC BUCK, 3MHZ, TSSOP-28

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LTC7149IFE#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC7149IFE#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 28-Lead Plastic1 -TSSOP (4.4mm)
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LTC7149IFE#PBF - Analog Devices - 3D model - Small Outline Packages - 28-Lead Plastic1 -TSSOP (4.4mm)
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LTC7149IFE#PBF Details

  • Manufacturer Part Number:

    LTC7149IFE#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    TSSOP-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    05-08-1663 (EB)

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Additional Feature:

    ALSO OPERATES IN ADJUSTABLE MODE FROM -28 TO -0.05

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    BURST MODE

  • Input Voltage-Max:

    60.05 V

  • Input Voltage-Min:

    3.4 V

  • Input Voltage-Nom:

    24 V

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e3

  • Length:

    9.7 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    6.6 A

  • Output Voltage-Max:

    -28 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.2 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1080 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

LTC7149IFE#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC7149IFE involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the input and output traces. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Also, ensure that the input and output capacitors are of high quality and have low ESR. Additionally, avoid using long input and output traces, and keep the feedback resistors close to the IC.
  • The maximum ambient temperature range for the LTC7149IFE is -40°C to 125°C. However, the device can operate at a junction temperature of up to 150°C.
  • Yes, the LTC7149IFE is suitable for high-reliability applications. It is manufactured using a high-reliability process and is screened to ensure high reliability. However, it is essential to follow proper design and manufacturing practices to ensure the reliability of the final product.
  • To troubleshoot issues with the LTC7149IFE, start by checking the input and output voltages, and ensuring that the device is properly powered. Check the feedback resistors and capacitors for any signs of damage or wear. Use an oscilloscope to check the output waveform and ensure that it is within the specified limits. If the issue persists, consult the datasheet and application notes for further guidance.

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LTC7149IFE#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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