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L78L12ACZ - STMicroelectronics

Description: TO92 voltage regulator,L78L12ACZ 12V STMicroelectronics L78L12ACZ, Single Linear Voltage Regulator, 100mA 12 V, ±5%, 3-Pin TO-92

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PCB Footprints
L78L12ACZ - STMicroelectronics PCB footprint - Other - Other - TO-92
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L78L12ACZ - STMicroelectronics  - 3D model - Other - TO-92
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L78L12ACZ Details

  • Manufacturer Part Number:

    L78L12ACZ

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TO-92

  • Pin Count:

    3

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    5.6

  • Adjustability:

    FIXED

  • Dropout Voltage1-Nom:

    1.7 V

  • Input Voltage Absolute-Max:

    35 V

  • Input Voltage-Max:

    27 V

  • Input Voltage-Min:

    14.5 V

  • JESD-30 Code:

    O-XBCY-T3

  • JESD-609 Code:

    e3

  • Line Regulation-Max:

    0.25%

  • Load Regulation-Max:

    0.1%

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    3

  • Operating Temperature TJ-Max:

    125 °C

  • Output Current1-Max:

    0.07 A

  • Output Voltage1-Max:

    12.6 V

  • Output Voltage1-Min:

    11.4 V

  • Output Voltage1-Nom:

    12 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    TO-92

  • Package Equivalence Code:

    SIP3,.1,50

  • Package Shape:

    ROUND

  • Package Style:

    CYLINDRICAL

  • Packing Method:

    BAG

  • 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:

    1.27 mm

  • Terminal Position:

    BOTTOM

  • Voltage Tolerance-Max:

    5%

L78L12ACZ Frequently Asked Questions (FAQs)

  • The maximum input voltage for the L78L12ACZ is 35V, but it's recommended to keep it below 25V for reliable operation.
  • To ensure stability, use a minimum output capacitance of 2.2uF, and keep the input capacitance as close to the regulator as possible. Also, use a low-ESR capacitor for the output.
  • The dropout voltage of the L78L12ACZ is typically around 2V, which means the input voltage should be at least 2V higher than the output voltage for proper regulation.
  • The L78L12ACZ is rated for operation up to 125°C, but its performance may degrade at high temperatures. Be sure to derate the output current and consider using a heat sink if operating in high-temperature environments.
  • Use a TVS (transient voltage suppressor) diode or a varistor in parallel with the input to protect the regulator from voltage surges and spikes.

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L78L12ACZ 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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