LTC1149-3.3 PDF File ( Datasheet )

LTC1149 LTC1149-3.3, LTC1149-5 High Efficiency Synchronous Step-Down Switching Regulators FEATURES s s s DESCRIPTIO s s s s s s s Operation to 48V Input Voltage Ultrahigh Efficiency: Up to 95% Current Mode Operation for Excellent Line and Load Transient Response High Efficiency Maintained over Wide Current Range Logic-Controlled Micropower Shutdown Short-Circuit Protection Very Low Dropout Operation: 100% Duty Cycle Synchronous FET Switching for High Efficiency Adaptive Nonoverlap Gate Drives