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ADP1147

Part Number	ADP1147
Manufacturer	Analog Devices
Description	High Efficiency Step-Down Switching Regulator Controllers
Published	Mar 23, 2005
Detailed Description	a FEATURES Greater Than 95% Efficiency Current Mode Switching Architecture Provides Superior Load and Line Transient Res...
Datasheet	ADP1147 PDF File

Overview

a FEATURES Greater Than 95% Efficiency Current Mode Switching Architecture Provides Superior Load and Line Transient Response Wide Input Voltage Range 3.
5 V* to 16 V User Defined Current Limit Short Circuit Protection Shutdown Pin Low Dropout Voltage Low Standby Current 160 ␮A typ Low Cost Available in 8-Lead PDIP or 8-Lead SOIC APPLICATIONS Portable Computers Modems Cellular Telephones Portable Equipment GPS Systems Handheld Instruments GENERAL DESCRIPTION High Efficiency Step-Down Switching Regulator Controllers ADP1147-3.
3/ADP1147-5 FUNCTIONAL BLOCK DIAGRAM VIN P-DRIVE GROUND SENSE(+) SENSE(–) ADP1147 2 R Q S SLEEP 1 Q R S S VTH2 VTH1 T OFF-TIME CONTROL VIN V B C 10mV to 150mV VOS 13...

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