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L4981AD013TR - STMicroelectronics

Description: L4981A: Fixed Frequency Average Current Mode; L4981B: Line Modulated Frequency Average Current Mode

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L4981AD013TR - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - SO-20 mechanical data
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L4981AD013TR Details

  • Manufacturer Part Number:

    L4981AD013TR

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Package Description:

    SO-20

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    25 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    6.2

  • Analog IC - Other Type:

    POWER FACTOR CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    19.5 V

  • Input Voltage-Min:

    11 V

  • Input Voltage-Nom:

    18 V

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    12.8 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    2 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    SINGLE

  • Switching Frequency-Max:

    115 kHz

  • Technology:

    BCDMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    7.5 mm

L4981AD013TR Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the L4981AD013TR is 28V, but it's recommended to keep it below 24V for reliable operation.
  • To ensure the stability of the output voltage, it's essential to use a suitable output capacitor with a low ESR (Equivalent Series Resistance) and a minimum capacitance of 10uF. Additionally, the input capacitor should be at least 10uF with a low ESR.
  • The maximum output current that the L4981AD013TR can deliver is 1.5A, but it's recommended to keep it below 1.2A for reliable operation and to prevent overheating.
  • To protect the L4981AD013TR from overheating, ensure good airflow around the device, use a heat sink if necessary, and keep the output current below the recommended maximum value. Also, avoid operating the device in high ambient temperatures.
  • Yes, the L4981AD013TR is suitable for high-reliability applications due to its high MTBF (Mean Time Between Failures) and low FIT (Failure In Time) rate. However, it's essential to follow proper design and manufacturing guidelines to ensure the reliability of the final product.

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L4981AD013TR 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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