SparkFun Buck Regulator Breakout - 3.3V (AP63203)

Sparkfun ElectronicsSKU: RB-Spa-1964
Manufacturer #: COM-18356

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  • 1x SparkFun Buck Regulator Breakout - 3.3V (AP63203)


  • 1 x 1 inch (L x W)

  • VIN 3.8 to 32 V
  • VOUT 3.3 V
  • Up to 2 A Continuous Output Current
  • 0.8 V ± 1% Reference Voltage
  • 22µA Ultralow Quiescent Current
  • Switching Frequency - 1.1 MHz
  • Fixed Output Voltage - 3.3 V
  • Proprietary Gate Driver Design for Best EMI Reduction
  • Frequency Spread Spectrum (FSS) to Reduce EMI
  • Precision Enable Threshold to Adjust UVLO

Supports Pulse Frequency Modulation (PFM)

  • Up to 80% Efficiency at 1 mA Light Load
  • Up to 88% Efficiency at 5 mA Light Load

Protection Circuitry

  • Overvoltage Protection
  • Cycle-by-Cycle Peak Current Limit
  • Thermal Shutdown

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