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L4973D3.3-013TR - STMicroelectronics

Description: 3.5 A step down switching regulator

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L4973D3.3-013TR - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - SO-20 mechanical data
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L4973D3.3-013TR Details

  • Manufacturer Part Number:

    L4973D3.3-013TR

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    10 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    7.1

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    55 V

  • Input Voltage-Min:

    8 V

  • Input Voltage-Nom:

    24 V

  • JESD-30 Code:

    R-PDSO-G20

  • Length:

    12.8 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Output Current-Max:

    5.5 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP20,.4

  • 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:

    BUCK

  • Switching Frequency-Max:

    300 kHz

  • Technology:

    BCDMOS

  • Terminal Finish:

    Tin (Sn) - immersion

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    NOT SPECIFIED

  • Width:

    7.5 mm

L4973D3.3-013TR Frequently Asked Questions (FAQs)

  • The maximum input voltage is 15V, but it's recommended to keep it below 12V for optimal performance and reliability.
  • To ensure stable and accurate output voltage, make sure to use a suitable output capacitor with a low ESR (Equivalent Series Resistance) and a sufficient capacitance value (e.g., 10uF). Also, ensure the input voltage is within the recommended range and the device is operated within the specified temperature range.
  • The maximum output current is 1.5A, but it's recommended to keep it below 1A for optimal performance and reliability. Exceeding the maximum output current may lead to overheating and reduced lifespan.
  • To protect the device from overheating, ensure good thermal conduction by using a heat sink or a thermal pad, and keep the device away from high-temperature sources. Also, avoid operating the device at maximum output current for extended periods.
  • The L4973D3.3-013TR is rated for operation up to 125°C, but it's recommended to keep the junction temperature below 115°C for optimal performance and reliability. Use a heat sink or thermal pad to ensure good thermal conduction.

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L4973D3.3-013TR 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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