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LT1509CSW#PBF - Analog Devices

Description: Power Factor Correction and PWM Controller 0.25mA 300kHz 20-Pin SOIC W Tube

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LT1509CSW#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 20-Lead Plastic Small Outline (Wide .300 Inch)-
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LT1509CSW#PBF Details

  • Manufacturer Part Number:

    LT1509CSW#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    0.300 INCH, PLASTIC, SO-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    05-08-1620 (SW20)

  • 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 WITH POST REGULATOR

  • 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-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    12.8 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    70 °C

  • Output Current-Max:

    1.5 A

  • Output Voltage-Nom:

    7.5 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:

    2.65 mm

  • Supply Current-Max (Isup):

    19 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    PUSH-PULL

  • Switching Frequency-Max:

    300 kHz

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    7.5 mm

LT1509CSW#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LT1509CSW involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing trace lengths and widths to reduce parasitic inductance and capacitance. 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. Additionally, ensure that the output capacitor has a low ESR (Equivalent Series Resistance) and is properly sized for the output voltage and current. A minimum output capacitance of 10uF is recommended.
  • The maximum ambient temperature range for the LT1509CSW is -40°C to 125°C. However, the device's performance and reliability may degrade at higher temperatures, so it's recommended to keep the ambient temperature below 85°C for optimal performance.
  • Yes, the LT1509CSW is qualified for automotive and high-reliability applications. It meets the AEC-Q100 standard for automotive grade devices and is suitable for use in harsh environments. However, it's recommended to consult with Analog Devices' application engineers to ensure the device meets the specific requirements of your application.
  • To troubleshoot issues with the LT1509CSW, start by verifying the input voltage, output voltage, and output current. Check for proper PCB layout, component values, and soldering. Use an oscilloscope to check for oscillations or noise on the output. Consult the datasheet and application notes for troubleshooting guidelines and contact Analog Devices' technical support if needed.

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LT1509CSW#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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