Pololu 3.3V, 2.5A Step-up/Step-Down Voltage Regulator S13V25F3

PololuSKU: RB-Pol-1461
Manufacturer #: 4980

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Description

  • Pololu 3.3V, 2.5A Step-up/Step-Down Voltage Regulator S13V25F3
  • Converts 2.8V-22V input to stable 3.3V output
  • Features under-voltage and reverse-voltage protection
  • Accommodates 2.5A to 3.5A output, depending on input
  • Utilizes buck-boost topology for efficiency
  • Measures 0.9" x 0.9" x 0.38" for compact use

The Pololu 3.3V, 2.5A Step-up/Step-Down Voltage Regulator S13V25F3 is an efficient switching regulator designed to convert varying input voltages into a stable 3.3V output. Utilizing a buck-boost topology, it accommodates input voltages from 2.8V to 22V, making it ideal for battery-powered applications where the battery voltage fluctuates.

This regulator features under-voltage lockout, output over-voltage protection, over-current protection, and reverse-voltage protection up to 20V. Additionally, it includes a thermal shutdown feature to prevent overheating and a soft-start function to manage inrush current effectively.

  • 1x Pololu 3.3V, 2.5A Step-up/Step-Down Voltage Regulator S13V25F3
  • 1x 5×1 Straight male header strip
  • 2x 2-pin, 3.5 mm-pitch terminal block
  • 22.9 x 22.9 x 9.7 mm (0.9 x 0.9 x 0.38")
  • Input voltage range: 2.8 V to 22 V
  • Output voltage: 3 V with 4% accuracy
  • Maximum continuous output current: 2.5 A to 3.5 A, depending on input voltage
  • Efficiency: 85% to 95%, depending on input voltage and load
  • No-load quiescent current: 10 mA to 20 mA
  • Features input under-voltage lockout and output over-voltage protection
  • Soft-start feature to limit inrush current
  • Integrated reverse-voltage protection up to 20 V
  • Includes over-current protection and over-temperature shutoff
  • Output current limit: 5.1 A
  • Fixed switching frequency: ~500 kHz
  • Two mounting holes for #2 or M2 screws

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