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L9409F - STMicroelectronics

Description: Alternator voltage regulator with load response control

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Symbol
L9409F - STMicroelectronics - PCB symbol
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PCB Footprints
L9409F - STMicroelectronics PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - Multiwatt 8 (pin 5GND)
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3D Models
L9409F - STMicroelectronics - 3D model - Transistor Outline, Vertical - Multiwatt 8 (pin 5GND)
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L9409F Details

  • Manufacturer Part Number:

    L9409F

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    MULTIWATT-8

  • Country Of Origin:

    Morocco

  • ECCN Code:

    EAR99

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • Analog IC - Other Type:

    ANALOG CIRCUIT

  • JESD-30 Code:

    R-XSFM-T8

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    SFM

  • Package Equivalence Code:

    SIP8,.1TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Qualification Status:

    Not Qualified

  • Surface Mount:

    NO

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    SINGLE

L9409F Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in the application note AN5323, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and thermal dissipation.
  • The selection of the inductor depends on the specific application requirements, such as the input voltage, output voltage, and output current. STMicroelectronics provides a list of recommended inductors in the datasheet, and also offers an inductor selection tool on their website to help with the selection process.
  • The maximum junction temperature of the L9409F is 150°C, as specified in the datasheet. However, it's recommended to keep the junction temperature below 125°C to ensure reliable operation and long-term reliability.
  • While the L9409F can operate up to 150°C, it's not recommended to use it in high-temperature environments above 125°C without proper thermal management and derating. STMicroelectronics provides thermal derating curves in the datasheet to help with the design process.
  • STMicroelectronics provides a troubleshooting guide in the application note AN5323, which covers common issues and their solutions, such as output voltage regulation, efficiency, and thermal management. Additionally, the datasheet provides a list of possible faults and their corresponding fault flags.

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L9409F Overview

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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