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L4931ABD35-TR - STMicroelectronics

Description: LDO Regulator 3.5V 0.25A SOIC8 L4931ABD35-TR, Low Dropout Voltage Regulator, 0.25A, 3.5 V ±1%, 8-Pin SO

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L4931ABD35-TR - STMicroelectronics - PCB symbol
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L4931ABD35-TR - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - SO 8_
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L4931ABD35-TR - STMicroelectronics - 3D model - Small Outline Packages - SO 8_
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L4931ABD35-TR Details

  • Manufacturer Part Number:

    L4931ABD35-TR

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    SOP-8

  • Pin Count:

    8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • 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:

    4.2 V

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Line Regulation-Max:

    0.015%

  • Load Regulation-Max:

    0.035%

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    8

  • Operating Temperature TJ-Max:

    125 °C

  • Operating Temperature TJ-Min:

    -40 °C

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -25 °C

  • Output Current1-Max:

    0.25 A

  • Output Voltage1-Max:

    3.57 V

  • Output Voltage1-Min:

    3.43 V

  • Output Voltage1-Nom:

    3.5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR

  • Qualification Status:

    Not Qualified

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    1.75 mm

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Voltage Tolerance-Max:

    2%

  • Width:

    3.9 mm

L4931ABD35-TR Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in their application note AN10211, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure reliable operation.
  • Follow the recommended soldering profile in the datasheet, and ensure the PCB is designed with a sufficient thermal relief pattern. Additionally, use a solder paste with a high melting point and a reflow oven with a controlled temperature profile to prevent thermal damage.
  • Operating the L4931ABD35-TR beyond its recommended operating conditions can lead to reduced reliability, increased thermal stress, and potentially catastrophic failure. It is essential to ensure the device operates within its specified voltage, current, and temperature ranges to guarantee reliable performance and longevity.
  • Use a systematic approach to troubleshoot issues, starting with a review of the PCB design, component selection, and soldering quality. Check for signs of thermal damage, electrical overstress, or component failure. Use oscilloscopes and thermal imaging tools to identify the root cause of the issue and consult STMicroelectronics' application notes and technical support resources for guidance.
  • The L4931ABD35-TR is designed to meet EMI/EMC standards, but proper PCB design, component selection, and layout are crucial to ensure compliance. Follow STMicroelectronics' guidelines for EMI/EMC design, use shielding, and implement filtering and decoupling techniques to minimize electromagnetic interference and ensure regulatory compliance.

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L4931ABD35-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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