MPQ4571 Synchronous Step-Down Converters Monolithic Power Systems (MPS) MPQ4571 Synchronous Step-Down Converters offer a 4.5V to 60V input range, 250mΩ/45mΩ internal power MOSFETs, and 40µA quiescent current. MPQ4571 converters feature a built-in soft start, enable control, and power good indications. The high-duty cycle and low-dropout mode are supplied for automotive cold crank conditions. This converter is available in a QFN-12 (2.5mm x 3mm) package and offers a compact solution with a minimal number of readily available, standard external components due to its internal compensation. MPS MPQ4571 Synchronous Step-Down Converters are ideal for automotive infotainment, lamps, LEDs, and industrial power systems.