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Supertex IC integrates Power FET, thermal sensor

Posted: 01 Jul 2003 ?? ?Print Version ?Bookmark and Share

Keywords:supertex? hv111? circuit breaker? hotswap ic?

The HV111 from Supertex Inc. is a fully integrated, high voltage Inrush Limiter/Circuit Breaker/Hotswap IC for externally powered network equipment and pluggable backplane applications with loads up to 1.65A. Operating from -8V to -80V, the product requires no external components, eliminates the need for a sense resistor, incorporates an on-board thermal sensor, has three separate current control algorithms, and includes an on-board 80V, 2A MOSFET.

Additional features include a "dead short" detector to restrict excess power dissipation, a 1.2A inrush current limiting with 75ms timeout for component protection, a 2A circuit breaker for over current protection, and a high voltage open drain PWRGD.

The HV111K4 is offered in a DPAK-5 package and is priced at $1.48 each in 1,000-piece quantities.

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