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L4931CDT33-TR - STMicroelectronics

Description: Very low drop voltage regulators with inhibit

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L4931CDT33-TR - STMicroelectronics PCB footprint - Other - Other - DPAK_12
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L4931CDT33-TR Details

  • Manufacturer Part Number:

    L4931CDT33-TR

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TO-252

  • Pin Count:

    3

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    12 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    6.2

  • Adjustability:

    FIXED

  • Dropout Voltage1-Max:

    0.8 V

  • Dropout Voltage1-Nom:

    0.4 V

  • Input Voltage Absolute-Max:

    20 V

  • Input Voltage-Max:

    20 V

  • Input Voltage-Min:

    4.1 V

  • JESD-30 Code:

    R-PSSO-G2

  • JESD-609 Code:

    e3

  • Length:

    6.5 mm

  • Line Regulation-Max:

    0.018%

  • Load Regulation-Max:

    0.018%

  • 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:

    0.25 A

  • Output Voltage1-Max:

    3.432 V

  • Output Voltage1-Min:

    3.168 V

  • Output Voltage1-Nom:

    3.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TO-252

  • Package Equivalence Code:

    SMSIP3H,.38,90TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    2.63 mm

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    2.28 mm

  • Terminal Position:

    SINGLE

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

    30

  • Voltage Tolerance-Max:

    4%

  • Width:

    6.1 mm

L4931CDT33-TR Frequently Asked Questions (FAQs)

  • A good PCB layout for optimal thermal performance involves placing the L4931CDT33-TR near a thermal pad or a heat sink, and ensuring good copper pour connectivity to dissipate heat. A 2-layer or 4-layer PCB with thermal vias can also help.
  • To ensure a stable and regulated output voltage, make sure to decouple the input and output with suitable capacitors, and use a stable input voltage source. Also, ensure the output capacitor is of sufficient value and type (e.g., X5R or X7R) to maintain stability.
  • Although the datasheet specifies a maximum input voltage of 15V, it's recommended to limit the input voltage to 12V to ensure reliable operation and prevent overheating.
  • While the L4931CDT33-TR is rated for operation up to 125°C, it's essential to consider the derating curves and thermal management to ensure reliable operation in high-temperature environments.
  • To protect the L4931CDT33-TR from input voltage surges or spikes, consider adding a TVS (Transient Voltage Suppressor) diode or a voltage clamp circuit at the input to limit voltage transients.

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L4931CDT33-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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