Pololu 5V Step-up/Step-Down Voltage Regulator S8V9F5
Regulates varying voltages to stable 5V output
Supports input from 1.4V to 16V
Ensures efficiency between 80% and 90%
Limits inrush current with soft-start
Includes over-current and thermal protection
The Pololu 5V Step-up/Step-Down Voltage Regulator S8V9F5 is an efficient switching regulator designed to convert varying input voltages into a stable 5V output. It accommodates input voltages ranging from 1.4 V to 16 V, making it ideal for battery-powered applications where the battery voltage may fluctuate. This regulator ensures high efficiency, typically between 80% and 90%, and supports continuous output currents over 1 A when the input voltage is near the output voltage. It features under-voltage lockout, over-current protection, thermal shutdown, and a soft-start function to enhance reliability and performance.
1x Pololu 5V Step-up/Step-Down Voltage Regulator S8V9F5
1x Breakaway 4×1 straight male header strip
1x 4×1 right-angle male header strip
10.2 x 16.5 x 2.6 mm (0.4 x 0.65 x 0.1")
Input voltage range: 1.4 V to 16 V (minimum start-up voltage: 2.7 V)
Output voltage: 5 V with 4% accuracy
Maximum continuous output current: 1 A to 1.5 A when input voltage is near output voltage
Efficiency: 80% to 90%, depending on input voltage and load
No-load quiescent current: under 4 mA
Soft-start feature limits inrush current and gradually ramps output voltage
Over-current protection and over-temperature shutoff
Input under-voltage lockout
Power-saving feature maintains high efficiency at low currents
