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L7981TR - STMicroelectronics

Description: Conv DC-DC 4.5V to 28V Synchronous Step Down Single-Out 0.6V to 28V 3A 8-Pin VFQFPN T/R

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PCB Footprints
L7981TR - STMicroelectronics PCB footprint - Small Outline No-lead - Small Outline No-lead - VFQFPN8
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L7981TR - STMicroelectronics  - 3D model - Small Outline No-lead - VFQFPN8
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L7981TR Details

  • Manufacturer Part Number:

    L7981TR

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFP

  • Package Description:

    3 X 3 MM, 1.08 MM HEIGHT, ROHS COMPLIANT, VFQFP-8

  • Pin Count:

    8

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    16 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    7

  • Additional Feature:

    ALSO OPERATES IN ADJUSTABLE MODE FROM 0.6 V

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    28 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-XDSO-N8

  • JESD-609 Code:

    e4

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    3 A

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVSON

  • Package Equivalence Code:

    SOLCC8,.12,20

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    275 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3 mm

L7981TR Frequently Asked Questions (FAQs)

  • The L7981TR 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 use a minimum output capacitance of 10uF, and a maximum ESR of 1 ohm. Also, keep the output voltage within the recommended range of 1.5V to 15V.
  • The L7981TR can provide up to 1A of output current, but it's recommended to keep it below 800mA for optimal performance and thermal management.
  • To protect the L7981TR from overheating, ensure good thermal management by providing adequate heat sinking, and keeping the device within the recommended operating temperature range of -40°C to 125°C.
  • Yes, the L7981TR is suitable for high-reliability applications, as it's built with a robust design and has undergone rigorous testing to ensure its reliability and performance.

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L7981TR 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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