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L4940D2T5-TR - STMicroelectronics

Description: 1.5 A very low drop voltage regulator IC

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L4940D2T5-TR - STMicroelectronics PCB footprint - Other - Other - ST_D2PAK
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L4940D2T5-TR - STMicroelectronics  - 3D model - Other - ST_D2PAK
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L4940D2T5-TR Details

  • Manufacturer Part Number:

    L4940D2T5-TR

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    D2PAK

  • Package Description:

    ROHS COMPLIANT, D2PAK-3

  • Pin Count:

    3

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    8 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    6.2

  • Adjustability:

    FIXED

  • Dropout Voltage1-Max:

    0.9 V

  • Dropout Voltage1-Nom:

    0.5 V

  • Input Voltage Absolute-Max:

    30 V

  • Input Voltage-Max:

    17 V

  • Input Voltage-Min:

    6 V

  • JESD-30 Code:

    R-PSSO-G2

  • JESD-609 Code:

    e3

  • Length:

    10.2 mm

  • Line Regulation-Max:

    0.01%

  • Load Regulation-Max:

    0.025%

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    2

  • Operating Temperature TJ-Max:

    150 °C

  • Operating Temperature TJ-Min:

    -40 °C

  • Output Current1-Max:

    1.5 A

  • Output Voltage1-Max:

    5.2 V

  • Output Voltage1-Min:

    4.8 V

  • Output Voltage1-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TO-263

  • Package Equivalence Code:

    SMSIP3H,.55TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    245

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    4.83 mm

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    SINGLE

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

    30

  • Voltage Tolerance-Max:

    4%

  • Width:

    9.15 mm

L4940D2T5-TR Frequently Asked Questions (FAQs)

  • A good PCB layout for optimal thermal performance involves placing the L4940D2T5-TR near a thermal pad or a heat sink, and ensuring good airflow around the device. The PCB should also have a solid ground plane to help dissipate heat.
  • To ensure stable output voltage regulation, it's essential to follow the recommended capacitor values and types, as well as the suggested PCB layout. Additionally, the input voltage should be within the recommended range, and the output should not be overloaded.
  • The maximum ambient temperature for reliable operation of the L4940D2T5-TR is 125°C. However, it's recommended to derate the device's performance at higher temperatures to ensure long-term reliability.
  • Yes, the L4940D2T5-TR is designed to withstand moderate vibration levels. However, it's essential to ensure that the device is properly secured to the PCB and that the PCB is rigid enough to withstand the vibration.
  • To protect the L4940D2T5-TR from overvoltage and undervoltage conditions, it's recommended to use a voltage supervisor or a voltage monitor IC to detect and respond to abnormal voltage conditions.

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L4940D2T5-TR 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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Part Image L4940D2T5 STMicroelectronics

Fixed Positive LDO Regulator, 5V, 0.9V Dropout, BIPolar, PSSO2