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L9347LF-TR - STMicroelectronics

Description: Intelligent quad (2x5A/2x2.5A ) low-side switch

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L9347LF-TR - STMicroelectronics - PCB symbol
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L9347LF-TR - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - PowerSO-36
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L9347LF-TR - STMicroelectronics - 3D model - Small Outline Packages - PowerSO-36
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L9347LF-TR Details

  • Manufacturer Part Number:

    L9347LF-TR

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • Part Package Code:

    SOIC

  • Package Description:

    ROHS COMPLIANT, POWER, SOP-36

  • Pin Count:

    36

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    21 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    3

  • Built-in Protections:

    TRANSIENT; OVER CURRENT; THERMAL

  • Interface IC Type:

    BUFFER OR INVERTER BASED PERIPHERAL DRIVER

  • JESD-30 Code:

    R-PDSO-G36

  • JESD-609 Code:

    e3

  • Length:

    15.9 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    4

  • Number of Terminals:

    36

  • Output Current Flow Direction:

    SINK

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    245

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    3.6 mm

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    4.5 V

  • Supply Voltage-Nom:

    5 V

  • Supply Voltage1-Max:

    18 V

  • Supply Voltage1-Min:

    4.8 V

  • Surface Mount:

    YES

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Turn-off Time:

    30 µs

  • Turn-on Time:

    20 µs

  • Width:

    11 mm

L9347LF-TR Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in the application note AN4571, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure reliable operation.
  • The input capacitor selection depends on the input voltage, output voltage, and desired ripple current. A general guideline is to choose a capacitor with a capacitance value between 10uF to 22uF, and a voltage rating at least 1.5 times the maximum input voltage. Consult the datasheet and application notes for more specific guidance.
  • The maximum allowed voltage drop across the internal FETs is not explicitly stated in the datasheet. However, as a general rule, it's recommended to keep the voltage drop below 1V to ensure reliable operation and minimize power losses. Consult with STMicroelectronics support or a qualified engineer for specific guidance.
  • The L9347LF-TR is rated for operation up to 150°C, but it's essential to consider the derating curves and thermal management strategies to ensure reliable operation. Consult the datasheet and application notes for guidance on high-temperature operation and thermal design considerations.
  • Start by verifying the input voltage, output voltage, and current levels. Check the PCB layout, component selection, and thermal design for any potential issues. Consult the datasheet, application notes, and STMicroelectronics support resources for troubleshooting guides and FAQs. If necessary, perform a thorough analysis of the system's electrical and thermal performance.

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L9347LF-TR 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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