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L4931CD80-TR - STMicroelectronics

Description: LDO Regulator 8V 0.25A SOIC8 L4931CD80-TR, Low Dropout Voltage Regulator, 0.25A, 8 V ±2%, 8-Pin SO

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L4931CD80-TR - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - -SO-8 mechanical data--
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L4931CD80-TR Details

  • Manufacturer Part Number:

    L4931CD80-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:

    8.9 V

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Line Regulation-Max:

    0.024%

  • 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:

    8.32 V

  • Output Voltage1-Min:

    7.68 V

  • Output Voltage1-Nom:

    8 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

L4931CD80-TR Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in their application note AN1026, 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 to prevent thermal damage. Additionally, use a solder paste with a high melting point and a reflow oven with a controlled temperature profile.
  • The maximum allowed voltage drop across the regulator's input and output pins is typically limited by the device's power dissipation and thermal performance. As a general rule, keep the voltage drop below 3V to ensure reliable operation and minimize power loss.
  • Yes, the L4931CD80-TR can operate in high-temperature environments, but the device's power rating and output current capability will decrease with increasing temperature. Refer to the datasheet's thermal derating curves to determine the maximum allowed power dissipation and output current at a given temperature.
  • Use a TVS (transient voltage suppressor) diode or a voltage clamp circuit at the input of the regulator to protect it from voltage surges and transients. Additionally, ensure the input capacitor is rated for the maximum expected input voltage and has a sufficient voltage rating margin.

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L4931CD80-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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L4931CD80-TR Alternates

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Part Image L4931CD80 STMicroelectronics

Fixed Positive LDO Regulator, 8V, 0.8V Dropout, BIPolar, PDSO8