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SC284ULTRT - SEMTECH

Description: Buck Switching Regulator IC Positive Programmable 0.8V 2 Output 1.8A 20-VFQFN Exposed Pad

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Symbol
SC284ULTRT - SEMTECH - PCB symbol
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PCB Footprints
SC284ULTRT - SEMTECH PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - 3x3 MLPQ-UT20_2025
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3D Models
SC284ULTRT - SEMTECH - 3D model - Quad Flat No-Lead - 3x3 MLPQ-UT20_2025
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SC284ULTRT Details

  • Manufacturer Part Number:

    SC284ULTRT

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    4 Weeks

  • Manufacturer:

    Semtech Corporation

  • YTEOL:

    3

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    VOLTAGE-MODE

  • JESD-30 Code:

    S-PQCC-N20

  • JESD-609 Code:

    e3

  • Moisture Sensitivity Level:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    1.8 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    QCCN

  • Package Equivalence Code:

    LCC20,.11SQ,16

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Surface Mount:

    YES

  • Switching Frequency-Max:

    3000 kHz

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    QUAD

SC284ULTRT 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-controlled lines. Avoid vias and right-angle bends in the RF traces.
  • Ensure that the devices are configured to use the same frequency band, spreading factor, and coding rate. Also, make sure that the devices are within range of each other and that there is no interference from other devices or sources.
  • The maximum transmit power of the SC284ULTRT is +20 dBm. You can adjust the transmit power by using the PA_BOOST pin to select between high power and low power modes, or by using the SX126x API to set the transmit power level programmatically.
  • Frequency hopping can be implemented using the SX126x API to switch between different frequency channels. You can use the API to set the frequency channel, and then use a timer to switch between channels at regular intervals.
  • A quarter-wave monopole antenna or a dipole antenna with a 50-ohm impedance is recommended. The antenna should be designed to operate at the desired frequency band and should be matched to the SC284ULTRT's 50-ohm output impedance.

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SC284ULTRT Overview

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