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  • SC221
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  • TS13101
  • Galvanic Isolated Latching 60V Power Load Switch
  • TS30011
  • High Efficiency 1A Current-Mode Synchronous Buck DC/DC Converter, 1MHz
Semtech SC4626

Semtech SC4626

2.5MHz, 1A Synchronous Step Down Regulator in SOT23-5

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The SC4626 is a high efficiency, synchronous step-down regulator providing up to 1A output current in a SOT23-5 package. The device requires only three external filter components for a complete step-down regulator solution.


  • Vin Range: 2.9 – 5.5V
  • Vout Options: 1.0 - 3.3V
  • Up to Output Current
  • 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
  • SOT23-5 Package
  • -40 to 85°C Temperature Range
  • Fully WEEE and RoHS Compliant


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



Order Codes

  • SC4626xSKTRT: Lead-Free, WEEE and RoHS compliant, 3000 pcs, Tape and Reel Only
  • SC4626xEVB; SC4626x Evaluation Board
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