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L9349-LF - STMicroelectronics

Description: Power Switch ICs - Power Distribution Quad intelligent Power Side Switch

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L9349-LF - STMicroelectronics - PCB symbol
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L9349-LF - STMicroelectronics PCB footprint - Small Outline Packages - Small Outline Packages - PowerSO-20
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L9349-LF - STMicroelectronics - 3D model - Small Outline Packages - PowerSO-20
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L9349-LF Details

  • Manufacturer Part Number:

    L9349-LF

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    ROHS COMPLIANT, SOP-20

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • Built-in Protections:

    TRANSIENT; OVER CURRENT; THERMAL; UNDER VOLTAGE

  • Driver Number of Bits:

    4

  • Interface IC Type:

    BUFFER OR INVERTER BASED PERIPHERAL DRIVER

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    15.9 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Output Current Flow Direction:

    SOURCE

  • Output Current-Max:

    3 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HSOP

  • Package Equivalence Code:

    SOP20,.56

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    245

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    3.6 mm

  • Supply Voltage-Max:

    32 V

  • Supply Voltage-Min:

    4.5 V

  • Supply Voltage-Nom:

    12 V

  • Surface Mount:

    YES

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Turn-off Time:

    30 µs

  • Turn-on Time:

    25 µs

  • Width:

    11 mm

L9349-LF Frequently Asked Questions (FAQs)

  • STMicroelectronics recommends a 2-layer or 4-layer PCB with a solid ground plane and a thermal relief pattern under the IC to ensure optimal thermal performance. A minimum of 2 oz copper thickness is recommended.
  • To ensure reliable communication, use a dedicated SPI bus with a maximum clock frequency of 1 MHz, and ensure that the microcontroller's SPI mode is set to Mode 0 or Mode 3. Also, use a pull-up resistor on the CS pin to prevent unwanted chip select.
  • STMicroelectronics recommends a 10 μF to 22 μF ceramic capacitor with an X7R or X5R dielectric, placed as close as possible to the VIN pin to filter out noise and ensure stable operation.
  • To handle overvoltage protection, use an external voltage supervisor or a dedicated overvoltage protection IC, such as the STMicroelectronics STM660. This will ensure that the L9349-LF is protected from voltage transients and surges.
  • The recommended operating temperature range for the L9349-LF is -40°C to 125°C. However, for optimal performance and reliability, it is recommended to operate the device within the -20°C to 85°C range.

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L9349-LF 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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Part Image L9349 STMicroelectronics

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