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SC283WLTRT - SEMTECH

Description: Buck Switching Regulator IC Positive Programmable 0.8V 2 Output 1.8A 18-WFQFN Exposed Pad

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PCB Footprints
SC283WLTRT - SEMTECH PCB footprint - Other - Other - 2mm x 3mm x 0.8mm MLPQ-W18
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3D Models
SC283WLTRT - SEMTECH  - 3D model - Other - 2mm x 3mm x 0.8mm MLPQ-W18
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SC283WLTRT Details

  • Manufacturer Part Number:

    SC283WLTRT

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QFN

  • Package Description:

    2 X 3 MM, 0.80 MM HEIGHT, HALOGEN FREE AND ROHS COMPLIANT, MLPQ-18

  • Pin Count:

    18

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    4 Weeks

  • Manufacturer:

    Semtech Corporation

  • YTEOL:

    8

  • Additional Feature:

    ALSO OPERATES IN ADJUSTABLE MODE FROM 0.8 TO 3.3V

  • Analog IC - Other Type:

    DUAL SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-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-XQCC-N18

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    18

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    3.75 A

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC18,.08X.12,16

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    PHASE-SHIFT

  • Switching Frequency-Max:

    2875 kHz

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    2 mm

SC283WLTRT Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the RF traces as short as possible and use 50-ohm impedance matching to minimize signal reflections.
  • Ensure that the device is configured to use the correct spreading factor, bandwidth, and coding rate. Also, verify that the device is operating within the specified frequency range and that the transmission power is set correctly.
  • The maximum transmission distance depends on various factors such as terrain, environment, and antenna design. However, in ideal conditions, the SC283WLTRT can achieve a range of up to 15 km (9.3 miles) with a suitable antenna and a line-of-sight connection.
  • Use a spectrum analyzer to verify the transmission frequency and power. Check the device's configuration and settings to ensure they match the LoRaWAN network requirements. Also, verify that the antenna is properly connected and oriented.
  • The SC283WLTRT is designed specifically for LoRaWAN applications. While it's theoretically possible to use it with other protocols, it's not recommended as it may require significant modifications and may not be compatible with other protocols.

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SC283WLTRT Overview

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