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LT1111CS8#PBF - Analog Devices

Description: LT1111CS8#PBF Buck/Boost Converter, 1A, Adjustable, 88 kHz, 8-Pin, SOIC

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LT1111CS8#PBF - Analog Devices - PCB symbol
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LT1111CS8#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - S8(SOIC)
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LT1111CS8#PBF - Analog Devices - 3D model - Small Outline Packages - S8(SOIC)
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LT1111CS8#PBF Details

  • Manufacturer Part Number:

    LT1111CS8#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    0.150 INCH, PLASTIC, SOIC-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 REGULATOR

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE FREQUENCY MODULATION

  • Input Voltage-Max:

    30 V

  • Input Voltage-Min:

    2 V

  • Input Voltage-Nom:

    3 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 Current-Max:

    1.5 A

  • Output Voltage-Nom:

    1.25 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

  • Surface Mount:

    YES

  • Switcher Configuration:

    SINGLE

  • Switching Frequency-Max:

    88 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

LT1111CS8#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT1111CS8 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 ground plane and to keep digital signals away from the analog signals.
  • To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Also, ensure that the output capacitor is of sufficient size and type, and that the input voltage is within the recommended range. Additionally, consider adding a small capacitor (e.g. 10nF) between the output and ground to improve stability.
  • The maximum power dissipation of the LT1111CS8 is dependent on the ambient temperature and the thermal resistance of the package. According to the datasheet, the maximum power dissipation is 1.4W at 25°C ambient temperature. However, this value can be derated at higher temperatures.
  • The LT1111CS8 is rated for operation up to 125°C, but the device's performance and reliability may degrade at high temperatures. It's recommended to derate the device's power dissipation and ensure good thermal management to prevent overheating.
  • To protect the LT1111CS8 from input voltage transients, consider adding a transient voltage suppressor (TVS) diode or a voltage clamp circuit at the input. Additionally, ensure that the input capacitor is of sufficient size and type to filter out high-frequency noise.

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LT1111CS8#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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