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LTC1147CS8-5#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LTC1147CS8-5#PBF - DC/DC Controller, High Efficiency, 3.5V to 16V, 1 Output, Buck, 400kHz, SOIC-8

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LTC1147CS8-5#PBF Details

  • Manufacturer Part Number:

    LTC1147CS8-5#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    0.150 INCH, PLASTIC, SO-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    05-08-1610 (S8)

  • Country Of Origin:

    Malaysia

  • 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:

    CONSTANT OFF TIME

  • Input Voltage-Max:

    16 V

  • Input Voltage-Min:

    3.5 V

  • Input Voltage-Nom:

    10 V

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    70 °C

  • Output Voltage-Max:

    5.2 V

  • Output Voltage-Min:

    4.85 V

  • Output Voltage-Nom:

    5.05 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max (Isup):

    2.4 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    400 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

LTC1147CS8-5#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC1147CS8-5 involves keeping the input and output traces short and away from each other, using a solid ground plane, and placing bypass capacitors close to the device. A 4-layer PCB with a dedicated power plane and a dedicated ground plane is recommended.
  • To ensure stability, make sure to follow the recommended compensation network, use a low-ESR output capacitor, and keep the input and output capacitors close to the device. Also, avoid using long input traces and ensure the device is properly decoupled.
  • The maximum input voltage that the LTC1147CS8-5 can handle is 15V, but it's recommended to keep the input voltage below 12V to ensure reliable operation and to prevent damage to the device.
  • The LTC1147CS8-5 is rated for operation up to 125°C, but its performance may degrade at high temperatures. It's recommended to derate the output current and ensure proper heat sinking to prevent overheating.
  • To troubleshoot issues with the LTC1147CS8-5, start by checking the input voltage, output voltage, and output current. Use an oscilloscope to check for oscillations or noise on the output. Also, verify that the device is properly decoupled and that the compensation network is correct.

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LTC1147CS8-5#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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