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LT1109ACS8#PBF - Analog Devices

Description: IC REG BOOST ADJUSTABLE 2A 8SOIC

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LT1109ACS8#PBF - Analog Devices - PCB symbol
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LT1109ACS8#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - S8 Package 8-Lead Plastic SOIC*
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LT1109ACS8#PBF - Analog Devices - 3D model - Small Outline Packages - S8 Package 8-Lead Plastic SOIC*
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LT1109ACS8#PBF Details

  • Manufacturer Part Number:

    LT1109ACS8#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    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:

    9 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:

    2 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:

    BOOST

  • Switching Frequency-Max:

    120 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • 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

LT1109ACS8#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT1109ACS8 involves keeping the input and output traces short and away from each other, using a solid ground plane, and placing the bypass capacitors close to the device. A 4-layer PCB with a dedicated power plane and a dedicated 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 properly sized for the output current. Additionally, avoid using long input traces and keep the input and output decoupling capacitors close to the device.
  • The LT1109ACS8 can operate in ambient temperatures up to 70°C. However, the device's junction temperature should not exceed 150°C. It's essential to ensure proper heat sinking and thermal management to prevent overheating.
  • Yes, the LT1109ACS8 can be used in switching regulator designs. However, it's essential to ensure that the device is properly bypassed and decoupled to prevent noise and oscillations. Additionally, the device's output capacitor should be sized to handle the high-frequency switching currents.
  • To troubleshoot oscillations or instability issues, start by checking the PCB layout and ensuring that it follows the recommended guidelines. Check for proper decoupling and bypassing of the device, and ensure that the output capacitor is properly sized. Also, check for any noise or interference on the input or output lines.

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LT1109ACS8#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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