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L78M09ABDT - STMicroelectronics

Description: Linear Voltage Regulator IC Positive Fixed 1 Output 500mA DPAK

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L78M09ABDT - STMicroelectronics PCB footprint - Other - Other - DPAK_2026-1.1
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L78M09ABDT Details

  • Manufacturer Part Number:

    L78M09ABDT

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TO-252

  • Package Description:

    DPAK-3

  • Pin Count:

    3

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • 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:

    11.5 V

  • JESD-30 Code:

    R-PSSO-G2

  • JESD-609 Code:

    e3

  • Length:

    6.5 mm

  • Line Regulation-Max:

    0.1%

  • Load Regulation-Max:

    0.18%

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    2

  • Operating Temperature TJ-Max:

    125 °C

  • Operating Temperature TJ-Min:

    -40 °C

  • Output Current1-Max:

    0.5 A

  • Output Voltage1-Max:

    9.36 V

  • Output Voltage1-Min:

    8.64 V

  • Output Voltage1-Nom:

    9 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TO-252

  • Package Equivalence Code:

    SMSIP3H,.38,90TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR

  • Seated Height-Max:

    2.63 mm

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    2.25 mm

  • Terminal Position:

    SINGLE

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

    30

  • Voltage Tolerance-Max:

    4%

  • Width:

    6.1 mm

L78M09ABDT Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the L78M09ABDT is 35V, although it's recommended to keep it below 30V for reliable operation.
  • To ensure stability, make sure to use a minimum output capacitance of 2.2uF with an ESR (Equivalent Series Resistance) of less than 1 ohm, and keep the input capacitance as close to the regulator as possible.
  • The minimum input voltage required for the L78M09ABDT to regulate properly is around 11V, although it's recommended to keep it above 12V for reliable operation.
  • The L78M09ABDT is rated for operation up to 150°C, but its performance may degrade at high temperatures. Make sure to derate the output current and input voltage according to the datasheet's thermal derating curves.
  • Use a TVS (Transient Voltage Suppressor) diode or a varistor in parallel with the input capacitor to protect the L78M09ABDT from input voltage surges or spikes.

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L78M09ABDT 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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