LTC News for Immediate Release For more information, tel. 408-432-1900 Doug Dickinson, Media Relations Mgr., ext. 2233 www.linear.com Push Button On/Off Controller Integrates Debounce, Power Supply Enable and Processor Interface MILPITAS, CA – April 21, 2005– Linear Technology Corporation introduces the LTC2950, a push button controller that provides enable control for DC/DC converters, processor interrupt logic and adjustable on/off timers. The part easily solves the inherent bounce problem associated with all mechanical contacts, while also enabling power supply converters and releasing a processor once the supply is fully powered up. When powering off, the LTC2950 interrupts the system processor to alert it to perform the necessary power down and housekeeping tasks. Once the system completes the turn off operations, it can command the LTC2950 to immediately disable power. Offered in a tiny 8-pin 2mm x 3mm DFN package, the LTC2950 saves design time, as well as precious board space for portable instruments and handheld products. The LTC2950 operates over a wide 2.7V to 26V input voltage range to accommodate a wide variety of input power supplies. The very low 6uA supply current makes the IC ideal for battery powered applications. Two versions of the LTC2950 are available to accommodate either positive or negative enable polarities. The rugged push button input pin is designed to operate in noisy environments and it can withstand ESD strikes of up to ±10kV. Specified over the commercial and industrial temperature range and available from stock, pricing begins at $1.75 each for 1,000 piece quantities. (more...) Push Button Controller Integrates Debounce, Power Supply Enable & Processor Interface Page 2 Summary of Features: LTC2950 • • • • • • • • Adjustable Push Button On/Off Timers Wide Operating Voltage Range Low Supply Current: 6uA EN Output (LTC2950-1) Allows DC/DC Converter Control EN Output (LTC2950-2) Allows Circuit Breaker Control Simple Interface Allows Graceful µP Shutdown ±10kV ESD on Push Button input 8-pin 2mm x 3mm DFN and ThinSOTTM COMPANY BACKGROUND: Linear Technology Corporation was founded in 1981 as a manufacturer of high performance linear integrated circuits. Linear Technology products include high performance amplifiers, comparators, voltage references, monolithic filters, linear regulators, DC-DC converters, battery chargers, data converters, communications interface circuits, RF signal conditioning circuits, and many other analog functions. Applications for Linear Technology’s high performance circuits include telecommunications, cellular telephones, networking products such as optical switches, notebook and desktop computers, computer peripherals, video/multimedia, industrial instrumentation, security monitoring devices, high-end consumer products such as digital cameras and MP3 players, complex medical devices, automotive electronics, factory automation, process control, and military and space systems. For more information, contact: Doug Dickinson, Media Relations Manager Linear Technology Corporation 1630 McCarthy Boulevard Milpitas, CA 95035-7417 [email protected] 408-432-1900 READER SERVICE: Call toll-free 1-800-4-LINEAR (for literature only), or go to the company’s web site: http://www.linear.com Note: LT, LTC, and Technology Corp. are registered trademarks and ThinSOT is a trademark of Linear ###