Analog Devices - ADP1148

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Contents

FEATURES FUNCTIONAL BLOCK DIAGRAM Operation From 3 5 V to 18 V Input Voltage Ultrahigh Efficiency gt 95 Low Shutdown Current 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 Synchronous FET Switching for High Efficiency Adaptive Nonoverlap Gate Drives APPLICATIONS Notebook and Palmtop Computers Portable Instruments Battery Operated Digital Devices Industrial Power Distribution Avionics Systems Telecom Power Supplies GPS Systems Cellular Telephones GENERAL DESCRIPTION The AD P1148 is part of a family of synchronous step down switching regulator controllers featuring automatic sleep mode to ma ...