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SC189ZSKTRT - SEMTECH

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

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PCB Footprints
SC189ZSKTRT - SEMTECH PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - SOT23-5
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3D Models
SC189ZSKTRT - SEMTECH  - 3D model - SOT23 (5-Pin) - SOT23-5
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SC189ZSKTRT Details

  • Manufacturer Part Number:

    SC189ZSKTRT

  • 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:

    8 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:

    3.3825 V

  • Output Voltage-Min:

    3.2175 V

  • Output Voltage-Nom:

    3.3 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

SC189ZSKTRT 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.
  • Ensure the input voltage (VIN) is within the recommended range (4.5V to 5.5V). Use a high-quality decoupling capacitor (e.g., 10uF) close to the VIN pin to reduce noise and ensure stable operation.
  • The maximum power dissipation is 1.5W. Ensure proper thermal management, such as using a heat sink or a thermal pad, to prevent overheating and ensure reliable operation.
  • Check the input voltage, decoupling capacitors, and PCB layout for any issues. Verify that the output is properly filtered and decoupled. Use an oscilloscope to analyze the output waveform and identify any anomalies.
  • The SC189ZSKTRT is rated for operation up to 125°C. However, ensure proper thermal management and consider derating the device for high-temperature applications to ensure reliable operation.

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