S9V11F3S5 3.3V Step-Up/Step-Down Regulator

PololuSKU: RB-Pol-608
Manufacturer #: 2872

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  • Input voltage: 2 V to 16 V
  • Fixed 3.3 V output with +5/-3% accuracy (can be changed to 5 V using the SEL pin)
  • Typical maximum continuous output current: 1.5 A

The S9V11F3S5 3.3V Step-Up/Step-Down Regulator produces a fixed 3.3 V (default) or 5 V (selectable) output whether it is higher or lower than the input voltage, which can range from 2 V to 16 V (Note: minimum start-up voltage is 3 V, but it operates to 2 V after that). The compact (0.5″ × 0.6″) module can supply a typical output current of up to 1.5 A when the input voltage is close to the output voltage.


  • Power-good indicator can be used to tell when the regulator has reached and is maintaining its target output voltage
  • Power-saving feature maintains high efficiency at low currents (quiescent current is less than 1 mA while enabled and approximately 7 µA per volt on VIN when the regulator is disabled)
  • Integrated over-temperature and short-circuit protection
  • Small size: 0.5″ × 0.6″ × 0.17″ (12.7 × 15.3 × 4.3 mm)
  • 0.5″ × 0.6″ × 0.17″
  • Weight: 0.7 g
  • Minimum operating voltage: 2 V
  • Maximum operating voltage: 16 V
  • Maximum output current: 1.5 A
  • Minimum output voltage: 2.5 V
  • Output voltage: 3.3 V
  • Maximum quiescent current: 1 mA

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