The STEVAL-ISA077V1 demonstration board is a high-efficiency synchronous rectifier step-up converter based on the L6920DB. It is designed for battery-powered applications and can operate with an input voltage of up to 5.5V. The board features an adjustable output voltage with a minimum of 1.8V, as well as fixed output voltages of 3.3V and 5V. It includes low battery voltage detection, reverse battery protection, and a 750mA input current limit. The switching frequency can reach up to 1MHz. The board is RoHS compliant and requires only three external components for the conversion from battery voltage to the selected output voltage.