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Semtech SC284

Semtech SC284

Dual Channel 2.5MHz, 1.8A Synchronous Step-Down Regulator

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The SC284 is a dual channel 1.8A synchronous step-down regulator designed to operate with an input voltage range of 2.9 to 5.5 Volts.


  • VIN Range — 2.9 – 5.5V
  • VOUT Selectable — 0.8 - 3.3V
  • Up to 1.8A Output Current for Each Channel
  • Ultra-Small Footprint, <1mm Height Solution
  • Switching Frequency — 2.5MHz
  • Efficiency Up to 94%
  • Excellent Light Load Efficiency
  • Low Output Noise Across Load Range
  • Excellent Transient Response
  • Start Up into Pre-Bias Output
  • 100% Duty-Cycle Low Dropout Operation
  • Shutdown Current — <1μA
  • Internal Soft Start
  • Input Under-Voltage Lockout
  • Output Over-Voltage, Current Limit Protection
  • Over-Temperature Protection
  • Adjustable Output Voltage
  • Package — 3 x 3 x 0.6(mm) UT20
  • Temperature Range — -40 to +85°C
  • Lead-free, halogen-free, and RoHS/WEEE compliant


  • Desktop Computing
  • Set-Top Box
  • LCD TV
  • Network Cards
  • Printer


  • MLPQ-UT20

Order Codes

  • SC284ULTRT
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