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L6981N33DR - STMicroelectronics

Description: 38 V, 1.5 A synchronous step-down converter with 20 μA quiescent current

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L6981N33DR - STMicroelectronics - PCB symbol
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L6981N33DR - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - SO 8L
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L6981N33DR - STMicroelectronics - 3D model - Small Outline Packages - SO 8L
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L6981N33DR Details

  • Manufacturer Part Number:

    L6981N33DR

  • Brand Name:

    STMicroelectronics

  • Part Life Cycle Code:

    Active

  • Package Description:

    SOP-8

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    12 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    8

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    38 V

  • Input Voltage-Min:

    3.5 V

  • Input Voltage-Nom:

    24 V

  • JESD-30 Code:

    R-PDSO-G8

  • Length:

    4.9 mm

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1.5 A

  • Output Voltage-Max:

    38 V

  • Output Voltage-Min:

    0.85 V

  • Output Voltage-Nom:

    3.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Seated Height-Max:

    1.75 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    440 kHz

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Width:

    3.9 mm

L6981N33DR Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the L6981N33DR is 36V, but it's recommended to keep it below 35V to ensure reliable operation.
  • To ensure the L6981N33DR operates within its thermal limits, you should provide adequate heat sinking, keep the ambient temperature below 85°C, and avoid high power dissipation during operation.
  • The minimum input capacitance required for the L6981N33DR is 10uF, but it's recommended to use a higher value (e.g., 22uF) to ensure stable operation.
  • The L6981N33DR is rated for operation up to 150°C, but its performance may degrade at high temperatures. It's recommended to derate the output current and ensure proper heat sinking to maintain reliable operation.
  • To troubleshoot issues with the L6981N33DR, check the input voltage, output voltage, and current consumption. Verify that the device is properly connected and that the input and output capacitors are of sufficient value. Also, check for any signs of overheating or physical damage.

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L6981N33DR Overview

Use the download button to access the L6981N33DR schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like L6981, or try a keyword search, such as Switching Regulator or Controllers

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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