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LT1243IS8#PBF - Analog Devices

Description: Switching Controllers Current Mode PWM Controller

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LT1243IS8#PBF - Analog Devices - PCB symbol
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PCB Footprints
LT1243IS8#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - S8 Package 8-Lead Plastic Small Outline (Narrow .150 Inch) (Reference LTC DWG # 05-08-1610)
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LT1243IS8#PBF - Analog Devices - 3D model - Small Outline Packages - S8 Package 8-Lead Plastic Small Outline (Narrow .150 Inch) (Reference LTC DWG # 05-08-1610)
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LT1243IS8#PBF Details

  • Manufacturer Part Number:

    LT1243IS8#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:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    25 V

  • Input Voltage-Min:

    8.2 V

  • Input Voltage-Nom:

    15 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:

    100 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1 A

  • Output Voltage-Max:

    5.075 V

  • Output Voltage-Min:

    4.925 V

  • Output Voltage-Nom:

    5 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):

    10 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    SINGLE

  • Switching Frequency-Max:

    500 kHz

  • Technology:

    BIPOLAR

  • 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

LT1243IS8#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT1243IS8 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 low-ESR capacitor for the output capacitor to minimize ringing.
  • To ensure stability and prevent oscillations, it's essential to follow the recommended PCB layout, use a sufficient output capacitor, and ensure that the input and output impedance are matched. Additionally, the device's output should be decoupled from the input using a resistor and capacitor in series.
  • The maximum power dissipation of the LT1243IS8 is dependent on the ambient temperature and the thermal resistance of the package. The power dissipation can be calculated using the formula: Pd = (Vin - Vout) x Iout. It's essential to ensure that the device does not exceed the maximum power dissipation to prevent overheating and damage.
  • The LT1243IS8 is rated for operation up to 125°C, but the device's performance and reliability may degrade at high temperatures. It's essential to derate the device's power dissipation and ensure that the ambient temperature does not exceed the maximum rating.
  • To protect the LT1243IS8 from input voltage transients and overvoltage, it's recommended to use a voltage clamp or a transient voltage suppressor (TVS) diode at the input. Additionally, a fuse or a current-limiting resistor can be used to prevent damage from overcurrent conditions.

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LT1243IS8#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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LT1243IS8#PBF Alternates

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For a full list of alternate parts for LT1243IS8#PBF, check out Findchips.com