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Octal High-side Driver from STMicroelectronics Drives and Protects | | |
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Geneva, December 7, 2004 - STMicroelectronics (NYSE: STM) has launched
an octal high-side
driver with built-in protection systems and diagnostics for use in
automation and industrial process control. The VN808 is a monolithic device designed to drive any load that has one side connected to ground. It handles 0.7A with a 45V supply and offers an RDS(ON) of 150m ohms. The part works with VCC/2 inputs. The VN808 has been equipped with various protection mechanisms. It has an active current limiter, thermal shutdown and automatic restart circuits. If the part becomes overloaded, one channel turns off and back on automatically to maintain the junction temperature between its shutdown temperature and its reset temperature. If this condition makes the case temperature reach its shutdown limit, the overloaded channel is turned off and will restart only when the case temperature has fallen to the case reset temperature. Channels that have not been overloaded will continue to work normally. The driver turns off if the ground pin is disconnected. Other built-in safety mechanisms include protection against shorted loads and under-voltage conditions. The part also has a very low stand-by current requirement. The VN808 is especially suitable for industrial applications that must conform to the IEC 1131 international standard for programmable controllers. It is offered in a PowerSO-36 package. Pricing is US$3.50 in quantities of 10K pieces. About STMicroelectronics STMicroelectronics is a global leader in developing and delivering semiconductor solutions across the spectrum of microelectronics applications. An unrivalled combination of silicon and system expertise, manufacturing strength, Intellectual Property (IP) portfolio and strategic partners positions the Company at the forefront of System-on-Chip (SoC) technology and its products play a key role in enabling today's convergence markets. The Company's shares are traded on the New York Stock Exchange, on Euronext Paris and on the Milan Stock Exchange. In 2003, the Company's net revenues were $7.24 billion and net earnings were $253 million. Further information on ST can be found at www.st.com. |
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