BD4201FV - Battery Backup IC
BD4201FV Features
* 1) Low quiescent current Normal operation < 15.0µA Max. Backup mode < 2.1µA Max. 2) 3 high accurate voltage regulators 3) Low dropout voltage, and high accurate voltage detectors (CS, RESET) 4) Control circuit; Backup 5) Special sequence; For shifting to the backup mode. It need to make main battery
