TK73241

TK732xx LOW DROPOUT REGULATOR FEATURES s Up to 5 A Output Current Capability With External PNP Transistor s Internal Short Circuit Protection s Excellent Load Regulation s CMOS/TTL-Compatible On/Off Switch s Internal Reverse Bias Current Protection Switch s Internal Thermal Shutdown s Broad Operating Voltage Range s High Impedance VSENSE Pin (Off Mode) s Continuous and Pulsed Current Modes DESCRIPTION APPLICATIONS s Battery Powered Systems s Cellular/Cordless Telephones s Radio Control Systems s Wireless Communications Systems s Portable Instrumentations s Portable Computers s Personal Digital Assistants s Local Area Network (LAN) Receivers s Lithium Ion Battery Chargers s Power Recovery for Microprocessors The TK732xx is a controller IC for a low dropout voltage regulator. The TK732xx and the external PNP power transistor provide standard output voltages from 2 to 11 V and output current from 100 mA to 5 A. By utilizing an external PNP power transistor, low dropout voltage at high...