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LT1109ACS8-12#PBF - Analog Devices

Description: Switching Voltage Regulators Micropower DC/DC Converter Flash Memory VPP Generator Adjustable and Fixed 5V, 12V

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LT1109ACS8-12#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - S8-ren3
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LT1109ACS8-12#PBF Details

  • Manufacturer Part Number:

    LT1109ACS8-12#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:

    12 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-Max:

    12.55 V

  • Output Voltage-Min:

    11.52 V

  • Output Voltage-Nom:

    12 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

LT1109ACS8-12#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT1109ACS8-12 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. Additionally, it's recommended to use a low-ESR output capacitor and to minimize the loop area of the input and output traces to reduce EMI.
  • To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Additionally, check that the output capacitor is sufficient to maintain stability, and that the input and output impedance are within the recommended ranges. If oscillations occur, try adding a small series resistor (e.g., 1-10 ohms) between the output and the load.
  • The maximum ambient temperature for reliable operation of the LT1109ACS8-12 is 85°C. However, the device can operate up to 125°C with derating. It's essential to ensure proper heat sinking and thermal management to prevent overheating and ensure reliable operation.
  • The LT1109ACS8-12 is a commercial-grade device, but Analog Devices Inc offers a military-grade version, the LT1109AMS8-12, which is designed for high-reliability and aerospace applications. The military-grade version has additional screening and testing to ensure higher reliability and performance in harsh environments.
  • To troubleshoot issues with the LT1109ACS8-12, start by checking the input voltage, output voltage, and output current. Verify that the input and output capacitors are properly connected and meet the recommended specifications. Check for any signs of overheating, and ensure that the device is properly soldered and mounted. If the issue persists, consult the datasheet and application notes, or contact Analog Devices Inc support for further assistance.

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LT1109ACS8-12#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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