Switching Regulators
  • SC195F
  • 3.5MHz, 500mA Synchronous Step Down DC-DC Regulator
  • SC202F
  • 3.5MHz, 500mA Step-down Regulator with Integrated Inductor
  • SC21150
  • Tiny 1.2A Synchronous Buck Regulator
  • SC21152
  • Tiny 1.2A Synchronous Buck Regulator with Power Good
  • SC221
  • 20MHz, 650mA, X-EMI™-Enabled Synchronous Step-Down Regulator
  • SC284AQ
  • Dual Channel 2.5MHz, 1.7A Synchronous Buck Regulator
  • TS13101
  • Galvanic Isolated Latching 60V Power Load Switch
  • TS30011
  • High Efficiency 1A Current-Mode Synchronous Buck DC/DC Converter, 1MHz
Semtech SC186

Semtech SC186

4A Synchronous Step-Down Regulator

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The SC186 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.


  • 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
  • Switching Frequency — 1.5MHz
  • Automatic Power Save Mode
  • 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


  • Routers and Network Cards
  • LCD TV
  • Office Automation
  • Printers


  • 3 x 3 x 0.6 (mm) MLPQ-UT16

Order Codes

  • SC186ULTRT - Lead-free, Halogen free, and RoHS/WEEE compliant.
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