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L9777B - STMicroelectronics

Description: Low power voltage regulator

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L9777B - STMicroelectronics - PCB symbol
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L9777B - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - NBNBNVBNVBNPowerSSO-12 height 1.7
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L9777B - STMicroelectronics - 3D model - Small Outline Packages - NBNBNVBNVBNPowerSSO-12 height 1.7
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L9777B Details

  • Manufacturer Part Number:

    L9777B

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • Package Description:

    SSOP-12

  • Country Of Origin:

    Morocco

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    6.16

  • Adjustability:

    FIXED

  • Dropout Voltage1-Nom:

    0.1 V

  • Input Voltage Absolute-Max:

    40 V

  • Input Voltage-Max:

    31 V

  • Input Voltage-Min:

    6.6 V

  • JESD-30 Code:

    R-PDSO-G12

  • Length:

    4.9 mm

  • Line Regulation-Max:

    0.025%

  • Load Regulation-Max:

    0.025%

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    12

  • Operating Temperature TJ-Max:

    150 °C

  • Operating Temperature TJ-Min:

    -40 °C

  • Output Current1-Max:

    0.05 A

  • Output Voltage1-Max:

    5.1 V

  • Output Voltage1-Min:

    4.9 V

  • Output Voltage1-Nom:

    5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HLSSOP

  • Package Equivalence Code:

    SOP12,.25,32

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE, SHRINK PITCH

  • Packing Method:

    TRAY

  • Peak Reflow Temperature (Cel):

    NOT SPECIFIED

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR

  • Seated Height-Max:

    1.7 mm

  • Surface Mount:

    YES

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.8 mm

  • Terminal Position:

    DUAL

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

    NOT SPECIFIED

  • Voltage Tolerance-Max:

    2%

  • Width:

    3.9 mm

L9777B Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in the application note AN4391, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and thermal dissipation.
  • The selection of the inductor depends on the specific application requirements, such as the input voltage, output voltage, and output current. STMicroelectronics provides a list of recommended inductors in the datasheet, and also offers an inductor selection tool on their website to help with the selection process.
  • The maximum junction temperature of the L9777B is 150°C, as specified in the datasheet. It's essential to ensure that the device operates within the recommended temperature range to prevent overheating and ensure reliability.
  • While the L9777B can operate up to 150°C, it's essential to consider the derating of the device's performance and reliability at high temperatures. STMicroelectronics provides thermal derating curves in the datasheet to help designers assess the device's performance in high-temperature environments.
  • STMicroelectronics provides a troubleshooting guide in the application note AN4391, which covers common issues and their solutions, such as output voltage regulation, current limiting, and thermal shutdown. Additionally, the datasheet provides a list of possible faults and their corresponding fault flags.

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L9777B 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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