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AL3158FSG-7 - Diodes Incorporated

Description: LED Lighting Drivers High EFF 2.7V - 5.5V 3-Ch White LED 20mA

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Symbol
AL3158FSG-7 - Diodes Incorporated - PCB symbol
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PCB Footprints
AL3158FSG-7 - Diodes Incorporated PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - QFN3030-20
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3D Models
AL3158FSG-7 - Diodes Incorporated - 3D model - Quad Flat No-Lead - QFN3030-20
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AL3158FSG-7 Details

  • Manufacturer Part Number:

    AL3158FSG-7

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    QFN

  • Package Description:

    3 X 3 MM, GREEN, QFN-20

  • Pin Count:

    20

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Diodes Incorporated

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHED CAPACITOR CONVERTER

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.7 V

  • Input Voltage-Nom:

    3.6 V

  • JESD-30 Code:

    S-XQCC-N20

  • JESD-609 Code:

    e4

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.27 A

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.63 mm

  • Surface Mount:

    YES

  • Switching Frequency-Max:

    1200 kHz

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    3 mm

AL3158FSG-7 Frequently Asked Questions (FAQs)

  • A good PCB layout for the AL3158FSG-7 should minimize parasitic inductance and capacitance. Keep the input and output traces short and separate, and use a solid ground plane to reduce noise. A 4-layer PCB with a dedicated power plane and a separate ground plane is recommended.
  • The AL3158FSG-7 has a thermal pad on the bottom of the package. Ensure good thermal contact between the thermal pad and the PCB by using a thermal interface material (TIM) such as thermal tape or thermal grease. A copper heat sink or a thermal via can also be used to dissipate heat.
  • The maximum allowed voltage on the EN (enable) pin is 6V. Exceeding this voltage may damage the device. It's recommended to use a voltage divider or a level shifter if the control signal is higher than 6V.
  • The AL3158FSG-7 is rated for operation up to 125°C. However, the device's performance and reliability may degrade at high temperatures. It's recommended to derate the output current and voltage according to the temperature derating curve in the datasheet.
  • To troubleshoot issues with the AL3158FSG-7, check the input voltage, output voltage, and enable pin voltage using an oscilloscope or a multimeter. Verify that the device is properly soldered and that there are no shorts or opens on the PCB. Consult the datasheet and application notes for guidance on troubleshooting common issues.

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AL3158FSG-7 Overview

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