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L78S09CV - STMicroelectronics

Description: L78S09CV, Voltage Regulator, 2A 9 V, 3-Pin TO-220

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PCB Footprints
L78S09CV - STMicroelectronics PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - TO-220 TYPE A-ren1
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3D Models
L78S09CV - STMicroelectronics  - 3D model - Transistor Outline, Vertical - TO-220 TYPE A-ren1
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L78S09CV Details

  • Manufacturer Part Number:

    L78S09CV

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SFM

  • Package Description:

    ROHS COMPLIANT, TO-220, 3 PIN

  • Pin Count:

    3

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    4 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • Adjustability:

    FIXED

  • Dropout Voltage1-Nom:

    2 V

  • Input Voltage Absolute-Max:

    35 V

  • Input Voltage-Max:

    25 V

  • Input Voltage-Min:

    11 V

  • JESD-30 Code:

    R-XSFM-T3

  • JESD-609 Code:

    e3

  • Length:

    10.2 mm

  • Line Regulation-Max:

    0.13%

  • Load Regulation-Max:

    0.17%

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    3

  • Operating Temperature TJ-Max:

    150 °C

  • Output Current1-Max:

    2 A

  • Output Voltage1-Max:

    9.4 V

  • Output Voltage1-Min:

    8.6 V

  • Output Voltage1-Nom:

    9 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    SFM

  • Package Equivalence Code:

    SIP3,.1TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Packing Method:

    TUBE

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    SINGLE

  • Voltage Tolerance-Max:

    4%

  • Width:

    4.5 mm

L78S09CV Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the L78S09CV is 35V, but it's recommended to keep it below 30V for reliable operation.
  • To ensure stability, a minimum output capacitance of 2.2uF is recommended, and the input capacitor should be at least 1uF. Additionally, the layout should be designed to minimize parasitic inductance and capacitance.
  • The maximum output current that the L78S09CV can provide is 1A, but it's recommended to keep it below 0.8A for reliable operation and to prevent overheating.
  • To protect the L78S09CV from overheating, ensure good thermal conductivity between the device and the PCB, and consider adding a heat sink if the device will be operating at high temperatures or high currents.
  • No, the L78S09CV is a linear voltage regulator and is not suitable for use in switching regulator applications. It's designed for use in linear power supply applications.

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L78S09CV 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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