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L6743D - STMicroelectronics

Description: MOSFET DRVR 2-OUT Hi/Lo Side Inv/Non-Inv 8-Pin SO N Tube Dual MOSFET driver for synchronous rectified converters ■ High driving current for fast external MOSFET switching ■ Integrated bootstrap diode ■ High frequency operation ■ Enable pin ■ Adaptive dead-time management ■ Flexible gate-drive: 5 V to 12 V compatible ■ High-impedance (HiZ) management for output stage shutdown ■ Preliminary OV protection ■ SO8 package

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L6743D - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - so_8 package
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L6743D Details

  • Manufacturer Part Number:

    L6743D

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    ROHS COMPLIANT, SOP-8

  • Pin Count:

    8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • High Side Driver:

    YES

  • Input Characteristics:

    STANDARD

  • Interface IC Type:

    BUFFER OR INVERTER BASED MOSFET DRIVER

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    70 °C

  • Output Characteristics:

    STANDARD

  • Output Peak Current Limit-Nom:

    2 A

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max:

    13.8 V

  • Supply Voltage-Min:

    10.5 V

  • Supply Voltage-Nom:

    12 V

  • Surface Mount:

    YES

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Turn-off Time:

    0.045 µs

  • Turn-on Time:

    0.075 µs

  • Width:

    3.9 mm

L6743D Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in the application note AN4101, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and thermal dissipation.
  • The selection of the inductor depends on the specific application requirements, such as the input voltage, output voltage, and output current. STMicroelectronics provides a list of recommended inductors in the datasheet, and also offers an inductor selection tool on their website to help with the selection process.
  • The maximum junction temperature of the L6743D is 150°C, as specified in the datasheet. However, it's recommended to keep the junction temperature below 125°C to ensure reliable operation and long-term reliability.
  • Yes, the L6743D is designed to operate in high-temperature environments, but it's essential to ensure that the device is properly cooled and that the junction temperature remains within the specified limits. STMicroelectronics provides thermal management guidelines in the application note AN4101.
  • STMicroelectronics provides a troubleshooting guide in the application note AN4101, which covers common issues and their solutions, such as output voltage regulation, current limiting, and thermal shutdown. Additionally, the datasheet provides a list of possible faults and their corresponding fault flags.

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L6743D 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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