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ADP1148

Part Number	ADP1148
Manufacturer	Analog Devices
Description	High Efficiency Synchronous Step-Down Switching Regulators
Published	Mar 23, 2005
Detailed Description	a High Efficiency Synchronous Step-Down Switching Regulators ADP1148, ADP1148-3.3, ADP1148-5 FUNCTIONAL BLOCK DIAGRAM A...
Datasheet	ADP1148 PDF File

Overview

a High Efficiency Synchronous Step-Down Switching Regulators ADP1148, ADP1148-3.
3, ADP1148-5 FUNCTIONAL BLOCK DIAGRAM ADJUSTABLE VERSION PWR SIGNAL VIN P-DRIVE N-DRIVE GND GND SENSE(+) VFB SENSE(–) 3 1 14 12 11 8 9 7 FEATURES Operation From 3.
5 V to 18 V Input Voltage Ultrahigh Efficiency > 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 Dev...

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