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L9347LF - STMicroelectronics

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

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

  • Manufacturer Part Number:

    L9347LF

  • 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:

    52 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 Frequently Asked Questions (FAQs)

  • STMicroelectronics recommends a thermal pad on the bottom of the package, connected to a large copper area on the PCB to dissipate heat efficiently. A minimum of 2oz copper thickness is recommended, and the thermal pad should be connected to a ground plane to reduce thermal resistance.
  • To ensure stable output voltage regulation, it's essential to follow the recommended capacitor selection and placement guidelines in the datasheet. Additionally, the input voltage should be well-regulated, and the output voltage should be decoupled with a suitable capacitor to reduce noise and oscillations.
  • The maximum allowed input voltage ripple for the L9347LF is 1V peak-to-peak. Exceeding this limit may affect the regulator's performance, stability, and output voltage accuracy.
  • The L9347LF is rated for operation up to 150°C junction temperature. However, the device's performance and reliability may degrade at high temperatures. It's essential to follow the recommended thermal management guidelines and ensure proper heat dissipation to maintain reliable operation.
  • To protect the L9347LF from input voltage surges and transients, it's recommended to add a TVS (Transient Voltage Suppressor) diode or a voltage clamp circuit at the input. This will help absorb or clamp voltage spikes, ensuring the regulator's input voltage remains within the recommended operating range.

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L9347LF 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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