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  • SC221
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Semtech SC189

Semtech SC189

2.5MHz, 1.5A Synchronous Step Down Switching Regulator in MLPD2X2

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The SC189 is a high efficiency, synchronous step-down regulator providing up to 1.5A output current in either an ultra-small 2mm x 2mm, low profile package or a low cost SOT23-5 package.

Features


  • VIN Range: 2.9-5.5V
  • VOUT Options: 1.0 - 3.3V
  • Up to 1.5A Output Current
  • Ultra-Small Footprint, <1mm Height Solution
  • 2.5MHz Switching Frequency
  • Efficiency Up to 93%
  • Low Output Noise Across Load Range
  • Excellent Transient Response
  • Start Up into Pre-Bias Output
  • 100% Duty-Cycle Low Dropout Operation
  • <1μA Shutdown Current
  • Internal Soft Start
  • Input Under-Voltage Lockout
  • Output Over-Voltage, Current Limit Protection
  • Over-Temperature Protection
  • Available in SOT23-5 package and 2mm x 2mm x 0.6mm thermally enhanced MLPD-UT6 package
  • -40 to +85°C Temperature Range
  • Fully WEEE and RoHS Compliant

Applications


  • Bluetooth Radios
  • DSC and PMPs
  • GPS Devices
  • xDSL Systems
  • POL Regulators
  • Portable HDD
  • Wireless LAN

Packaging

  • MLPD-UT6
  • SOT23-5

Order Codes

  • SC189xULTRT: (MLPD-UT6 package), Lead-Free, WEEE and RoHS Compliant, 3,000 pcs, Tape and Reel Only
  • SC189xSKTRT: (SOT23-5 package), Lead-Free, WEEE and RoHS Compliant, 3,000 pcs, Tape and Reel Only
  • SC189xEVB: SC189x Evaluation Board for MLPD-UT6 - Standard Size
  • SC189xEVB-1: SC189x Evaluation Board for MLPD-UT6 - Small Size
  • SC189xEVB-2: SC189x Evaluation Board for SOT23-5 - Standard Size
  • SC189xEVB-3: SC189x Evaluation Board for SOT23-5 - Small Size
 
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