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LT1111IS8#PBF - Analog Devices

Description: Linear Technology LT1111IS8#PBF, Inverting DC-DC Converter, 1A, Adjustable, 8-Pin SOIC

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LT1111IS8#PBF Details

  • Manufacturer Part Number:

    LT1111IS8#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:

    105 °C

  • Operating Temperature-Min:

    -40 °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:

    BUCK-BOOST

  • Switching Frequency-Max:

    88 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    INDUSTRIAL

  • 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

LT1111IS8#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT1111IS8 involves keeping the input and output traces short and away from each other, using a solid ground plane, and placing the input and output capacitors close to the device. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • To ensure stability and prevent oscillations, make sure to follow the recommended PCB layout, use a minimum output capacitance of 10uF, and add a 10nF capacitor in parallel with the output resistor. Additionally, ensure that the input and output voltages are within the recommended operating range.
  • The maximum power dissipation of the LT1111IS8 is 1.4W. However, this can be increased by using a heat sink or by reducing the ambient temperature.
  • The LT1111IS8 is rated for operation up to 125°C. However, the device's performance and reliability may degrade at high temperatures. It's recommended to derate the device's power dissipation and ensure proper heat sinking in high-temperature environments.
  • To protect the LT1111IS8 from input voltage transients, use a TVS (Transient Voltage Suppressor) diode or a voltage clamp circuit at the input. Additionally, ensure that the input voltage is within the recommended operating range.

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LT1111IS8#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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