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L4986BTR - STMicroelectronics

Description: CCM PFC controller with high voltage startup

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L4986BTR - STMicroelectronics - PCB symbol
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PCB Footprints
L4986BTR - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - SSO10
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3D Models
L4986BTR - STMicroelectronics - 3D model - Small Outline Packages - SSO10
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L4986BTR Details

  • Manufacturer Part Number:

    L4986BTR

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SSOP-10

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    25 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    7

  • Analog IC - Other Type:

    POWER FACTOR CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    24.5 V

  • Input Voltage-Min:

    10 V

  • Input Voltage-Nom:

    15 V

  • JESD-30 Code:

    R-PDSO-G10

  • Length:

    4.9 mm

  • Number of Functions:

    1

  • Number of Terminals:

    10

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -25 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP10,.25,40

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max (Isup):

    5.5 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BOOST

  • Switching Frequency-Max:

    142 kHz

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1 mm

  • Terminal Position:

    DUAL

  • Width:

    3.9 mm

L4986BTR Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the L4986BTR is 30V, but it's recommended to keep it below 28V to ensure reliable operation and to prevent damage to the internal components.
  • The output voltage of the L4986BTR can be calculated using the formula: Vout = Vref x (1 + R2/R1), where Vref is the internal reference voltage (2.5V), R1 and R2 are the resistors connected to the FB pin. The output voltage range is from 1.25V to 15V.
  • The EN (Enable) pin is used to enable or disable the regulator. When the EN pin is pulled high (above 2.5V), the regulator is enabled, and when it's pulled low (below 0.8V), the regulator is disabled. This pin can be used to implement power sequencing or to shut down the regulator when not in use.
  • The inductor value depends on the output current, switching frequency, and input voltage. A general rule of thumb is to choose an inductor with a value between 10uH to 22uH for most applications. However, it's recommended to consult the datasheet and application notes for more detailed guidance on inductor selection.
  • The maximum output current that the L4986BTR can deliver is 3A, but it's recommended to derate the output current based on the ambient temperature and the input voltage to ensure reliable operation.

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L4986BTR 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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