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LT1111CN8#PBF - Analog Devices

Description: LT1111CN8#PBF Buck/Boost Converter, 1A, Adjustable, 88 kHz, 8-Pin, PDIP

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LT1111CN8#PBF - Analog Devices - PCB symbol
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LT1111CN8#PBF - Analog Devices PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - 8-Lead PDIP (Narrow .300 Inch)
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LT1111CN8#PBF - Analog Devices - 3D model - Dual-In-Line Packages - 8-Lead PDIP (Narrow .300 Inch)
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LT1111CN8#PBF Details

  • Manufacturer Part Number:

    LT1111CN8#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    0.300 INCH, PLASTIC, DIP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    05-08-1510 (N8)

  • 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-PDIP-T8

  • JESD-609 Code:

    e3

  • Length:

    10.16 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:

    DIP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    3.937 mm

  • Surface Mount:

    NO

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    88 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    7.62 mm

LT1111CN8#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT1111CN8 involves keeping the input and output traces short and separate, 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, make sure to follow the recommended component values and PCB layout guidelines. Also, ensure that the output capacitor has a low ESR and is placed close to the device. Additionally, avoid using long input traces and keep the input impedance low.
  • The maximum input voltage that the LT1111CN8 can handle is 15V. Exceeding this voltage can cause damage to the device. It's recommended to add input voltage protection, such as a voltage clamp or a TVS diode, to prevent overvoltage conditions.
  • The LT1111CN8 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 performance and consider using a heat sink or a thermally-enhanced package for high-temperature applications.
  • To troubleshoot oscillations or instability issues, check the PCB layout for any signs of noise or coupling between the input and output traces. Verify that the input and output capacitors are properly selected and placed. Also, check the device's pinout and ensure that it's properly connected. If the issue persists, consider using a scope or a spectrum analyzer to identify the frequency of the oscillation and take corrective action.

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LT1111CN8#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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