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LT1249CN8#PBF - Analog Devices

Description: Power Factor Correction - PFC 8 Pin Pwr Factor Correction Cont

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LT1249CN8#PBF - Analog Devices - PCB symbol
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LT1249CN8#PBF - Analog Devices PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - 8-Lead PDIP (N8)
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LT1249CN8#PBF - Analog Devices - 3D model - Dual-In-Line Packages - 8-Lead PDIP (N8)
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LT1249CN8#PBF Details

  • Manufacturer Part Number:

    LT1249CN8#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:

    POWER FACTOR CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    25 V

  • Input Voltage-Min:

    11.5 V

  • Input Voltage-Nom:

    18 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:

    100 °C

  • Output Current-Max:

    1.5 A

  • Output Voltage-Nom:

    7.5 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

  • Supply Current-Max (Isup):

    12 mA

  • Surface Mount:

    NO

  • Switcher Configuration:

    SINGLE

  • Switching Frequency-Max:

    100 kHz

  • Technology:

    BIPOLAR

  • 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

LT1249CN8#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT1249CN8 involves keeping the input and output traces short and separate, using a solid ground plane, and placing the bypass capacitors close to the device. A 4-layer board 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 minimum output capacitance of 100nF, and avoid capacitive loads. Also, ensure that the input and output voltages are within the recommended operating range.
  • The maximum power dissipation of the LT1249CN8 is dependent on the package type and the ambient temperature. For the 8-pin PDIP package, the maximum power dissipation is 1.4W at 25°C ambient temperature. However, it's recommended to derate the power dissipation based on the ambient temperature and the thermal resistance of the package.
  • The LT1249CN8 is rated for operation up to 125°C junction temperature. However, the device's performance and reliability may degrade at high temperatures. It's recommended to derate the power dissipation and ensure proper heat sinking to maintain a safe junction temperature.
  • To protect the LT1249CN8 from overvoltage and overcurrent conditions, use voltage clamps or transient voltage suppressors on the input and output pins. Also, consider adding overcurrent protection devices such as fuses or current limiters to prevent damage from excessive current.

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LT1249CN8#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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