Wide input range, DC-DC voltage-switching converter regulator device with boost and buck modes

摘要

The device has a buck-mode in which the device is under control of a driving voltage above a threshold voltage to output a buck-mode flat current level through conducting states of switch units (22, 26). The device in a boost-mode under control of a driving voltage between two thresholds outputs a boost-mode flat current level that is lower than the buck-mode current level through serialized switch units (30, 32).