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L78S09CV-DG - STMicroelectronics

Description: 2 A positive voltage regulator IC

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L78S09CV-DG - STMicroelectronics - PCB symbol
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L78S09CV-DG - STMicroelectronics PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - TO-220 (STD-ST dual gauge) type A
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L78S09CV-DG - STMicroelectronics - 3D model - Transistor Outline, Vertical - TO-220 (STD-ST dual gauge) type A
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L78S09CV-DG Details

  • Manufacturer Part Number:

    L78S09CV-DG

  • Brand Name:

    STMicroelectronics

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SFM

  • Package Description:

    TO-220, 3 PIN

  • Pin Count:

    3

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • Adjustability:

    FIXED

  • Input Voltage Absolute-Max:

    35 V

  • Input Voltage-Max:

    25 V

  • Input Voltage-Min:

    11 V

  • JESD-30 Code:

    R-XSFM-T3

  • 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 Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Packing Method:

    TUBE

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR

  • Seated Height-Max:

    19.68 mm

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.55 mm

  • Terminal Position:

    SINGLE

  • Voltage Tolerance-Max:

    4.4%

  • Width:

    4.5 mm

L78S09CV-DG Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the L78S09CV-DG is 35V, although it's recommended to keep it below 25V for optimal performance and reliability.
  • To ensure stability, make sure to use a minimum output capacitance of 2.2uF with an ESR (Equivalent Series Resistance) of less than 5 ohms, and keep the input capacitance as close to the regulator as possible.
  • The minimum input voltage required for the L78S09CV-DG to function properly is around 10V, although it's recommended to keep it above 11V for optimal performance.
  • The L78S09CV-DG is rated for operation up to 150°C, but its performance and reliability may degrade at high temperatures. It's recommended to derate the output current and input voltage at high temperatures to ensure reliable operation.
  • To protect the L78S09CV-DG from input voltage surges and spikes, use a TVS (Transient Voltage Suppressor) diode or a varistor in parallel with the input capacitor to clamp the voltage and prevent damage to the regulator.

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L78S09CV-DG 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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