ADVANCED INFORMATION TK653xx ADVANCED INFORMATION FEATURES HIGH CURRENT STEP-UP CONVERTER WITH BATTERY MONITOR APPLICATIONS s Very Low Quiescent Current (10 µA) s Extremely Low Operating Current (25 µA) s Internal Battery Monitor s Regulates Down to 1.
8 V s Short Circuit Protection s Synchronous Rectification s Up To 95% Efficient s Battery Powered System s Cellular Telephones s Pagers s Personal Communications Equipment s Radio Controlled Systems s Toys DESCRIPTION The TK653xx mid power step-down converter is designed for portable battery powered systems, capable of operating from single Li-ion battery cells or two NiCad battery cells.
The TK653xx provides the power switch, synchronou...

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