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SC189LSKTRT - SEMTECH

Description: Switching Voltage Regulators 2.5MHz-1.5A SYNC STEP DOWN REG

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PCB Footprints
SC189LSKTRT - SEMTECH PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - SC189LSKTRT
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3D Models
SC189LSKTRT - SEMTECH  - 3D model - SOT23 (5-Pin) - SC189LSKTRT
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SC189LSKTRT Details

  • Manufacturer Part Number:

    SC189LSKTRT

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOT-23

  • Package Description:

    ROHS COMPLIANT, SOT-23, 5 PIN

  • Pin Count:

    5

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    4 Weeks

  • Manufacturer:

    Semtech Corporation

  • YTEOL:

    8

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.9 V

  • Input Voltage-Nom:

    5 V

  • JESD-30 Code:

    R-PDSO-G5

  • JESD-609 Code:

    e3

  • Length:

    2.95 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    5

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1.5 A

  • Output Voltage-Max:

    1.845 V

  • Output Voltage-Min:

    1.755 V

  • Output Voltage-Nom:

    1.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LSSOP

  • Package Equivalence Code:

    TSOP5/6,.11,37

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.45 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    3000 kHz

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

  • Width:

    1.6 mm

SC189LSKTRT Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the input and output tracks as short as possible and use a common mode choke to reduce EMI.
  • Use a heat sink to dissipate heat, ensure good airflow, and consider using a thermal interface material to improve heat transfer. Also, ensure that the device is operated within the recommended temperature range.
  • Use a common mode choke and a differential mode filter to reduce EMI. Ensure that the filter components are placed close to the SC189LSKTRT and that the PCB layout is optimized for EMI reduction.
  • Use an oscilloscope to monitor the input and output voltages, and check for any signs of overheating or electrical overstress. Verify that the device is operated within the recommended specifications and that the PCB layout is correct.
  • The SC189LSKTRT is not specifically designed for high-reliability applications. Consider using a more robust and reliable device, and ensure that the system is designed with redundancy and fault tolerance in mind.

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