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L7987L - STMicroelectronics

Description: Switching Voltage Regulators 61 V 2 A asynchronous step-down switching regulator with adjustable current limitation

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L7987L - STMicroelectronics - PCB symbol
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L7987L - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - HTSSOP-16
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L7987L - STMicroelectronics - 3D model - Small Outline Packages - HTSSOP-16
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L7987L Details

  • Manufacturer Part Number:

    L7987L

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    HTSSOP-16

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    20 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    8

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    61 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    24 V

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    3.45 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

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

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.2 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1650 kHz

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Width:

    4.4 mm

L7987L Frequently Asked Questions (FAQs)

  • The L7987L can handle input voltages up to 30V, but it's recommended to keep it below 25V for optimal performance and reliability.
  • To ensure stability, make sure to follow the recommended PCB layout and component placement guidelines, and add a 10uF ceramic capacitor between the VIN and GND pins. Also, use a low-ESR output capacitor (e.g., X5R or X7R) and keep the output voltage ripple below 1%.
  • The L7987L can operate with input voltages as low as 6.5V, but the output voltage regulation may not be guaranteed below 7V. For optimal performance, it's recommended to keep the input voltage above 7.5V.
  • The L7987L is rated for operation up to 150°C, but its performance and reliability may degrade above 125°C. If you need to operate in high-temperature environments, consider using a heat sink or a thermally-enhanced package.
  • The output voltage of the L7987L is determined by the resistor divider network (R1 and R2) connected to the FB pin. Use the formula: Vout = 0.8V x (1 + R2/R1) to calculate the output voltage.

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L7987L 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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