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L4931CD27-TR - STMicroelectronics

Description: LDO Regulator 2.7V 0.25A SOIC8 L4931CD27-TR, Low Dropout Voltage Regulator, 0.25A, 2.7 V ±2%, 8-Pin SO

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L4931CD27-TR - STMicroelectronics - PCB symbol
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L4931CD27-TR - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - SO 8_
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L4931CD27-TR - STMicroelectronics - 3D model - Small Outline Packages - SO 8_
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L4931CD27-TR Details

  • Manufacturer Part Number:

    L4931CD27-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:

    3.4 V

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Line Regulation-Max:

    0.018%

  • Load Regulation-Max:

    0.038%

  • 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:

    2.808 V

  • Output Voltage1-Min:

    2.592 V

  • Output Voltage1-Nom:

    2.7 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:

    4%

  • Width:

    3.9 mm

L4931CD27-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 and guidelines in the STMicroelectronics soldering guide, and ensure the PCB is designed with adequate thermal relief and clearance around the device. Avoid excessive soldering temperatures and times to prevent thermal damage.
  • Operating the L4931CD27-TR beyond the recommended temperature range can lead to reduced performance, increased power consumption, and potentially even device failure. It's essential to ensure the device operates within the specified temperature range to maintain reliability and performance.
  • Start by verifying the input voltage, output load, and PCB layout meet the recommended specifications. Check for any signs of overheating, and ensure the device is properly soldered and mounted. Use oscilloscopes and current probes to measure the output voltage and current, and consult the STMicroelectronics application notes and technical support resources for guidance.
  • Yes, the L4931CD27-TR is a switching regulator, and as such, it can generate electromagnetic interference (EMI). Ensure proper PCB layout, use of shielding, and filtering to minimize EMI. Follow the guidelines in the STMicroelectronics application notes and relevant industry standards (e.g., CISPR 22) to ensure compliance with EMI/EMC regulations.

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L4931CD27-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 L4931CD27 STMicroelectronics

Fixed Positive LDO Regulator, 2.7V, 0.8V Dropout, BIPolar, PDSO8