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

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.

View moreWhat’s Included

• 1x Pololu 3.3V, 2.5A Step-up/Step-Down Voltage Regulator S13V25F3
• 1x 51 Straight male header strip
• 2x 2-pin, 3.5 mm-pitch terminal block

Dimensions

• 22.9 x 22.9 x 9.7 mm (0.9 x 0.9 x 0.38″)

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• 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