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Semtech SC187

Semtech SC187

4A, 2.2MHz Synchronous Step-Down Regulator with 15 Preset Output Voltages

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The SC187 is a 4A synchronous step-down regulator designed to operate with an input voltage range of 2.9V to 5.5V. The device offers fifteen pre-determined output voltages via four control pins programmable from 0.8 to 3.3 Volts.

Features


  • Input Voltage Range — 2.9 to 5.5V
  • Output Voltage Range — 0.8V to 3.3V
  • Output Current — up to 4A
  • Ultra-Small Footprint — <1mm Height Solution
  • Minimum 1.8MHz Switching Frequency with no AM Radio Band Interference
  • Efficiency Up to 95%
  • Low Output Noise Across Load Range
  • Excellent Transient Response
  • Start Up into Pre-Bias Output
  • Duty-Cycle Low Dropout Operation — 100%
  • Shutdown Current — <1μA
  • Externally Programmable Soft Start Time
  • Power Good indicator
  • Input Under-Voltage Lockout
  • Output Over-Voltage, Current Limit Protection
  • Over-Temperature Protection
  • Thermally Enhanced 3 x 3 x 0.6 (mm) MLPQ-UT16 package
  • Temperature Range — -40 to +85°C
  • Lead-free, Halogen free, and RoHS/WEEE compliant

Applications


  • Automotive Power Supplies
  • Routers and Network Cards
  • LCD TV
  • Office Automation

Packaging

  • MLPQ-UT16

Order Codes

  • SC187ULTRT - Lead-free, Halogen free, and RoHS/WEEE compliant
 
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