MP28163 Single Inductor Buck-Boost Converter Monolithic Power Systems MP28163 High Efficiency Single Inductor Buck-Boost Converter with 2.9A Switches is a highly efficient, low quiescent current buck-boost converter designed to operate from an input voltage above, below, and equal to the output voltage. MP28163 offers an input voltage from 2V to 5.5V to achieve an adjustable output voltage (1.5V to 5V). With an input from 2.7V to 5.5V, MP28163 can supply a maximum 1.3A current to load at 3.3V output voltage. MP28163 provides a power solution for products powered by a one-cell Lithium-Ion or multi-cell alkaline battery applications where the output voltage is within battery voltage range.