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Linear Tech unveils new controller

Posted: 21 Mar 2005 ?? ?Print Version ?Bookmark and Share

Keywords:linear technology? ltc4216? linear tech? hot swap controller?

Linear Technology Corp. released LTC4216, an ultra low voltage Hot Swap controller that protects load voltages ranging from 0 to 6V, and allows for the safe insertion and removal of boards from a live backplane.

Together with an analog current limit amplifier, an electronic circuit breaker with adjustable response time provides dual level overcurrent protection. The IC also features an adjustable soft-start circuitry to limit the rate of change of the inrush current at start-up, while the included Feedback pin monitors the output supply voltage and signals the RESET# output. The ON pin enables the part, while the FAULT# indicates that the circuit breaker had tripped due to an overcurrent fault. Together they can configure the device to automatically retry.

Target applications include servers, telecom equipment and base station, whose low voltage design is driven by the increasing complexity and operating speeds of low power microprocessors.

The LTC4216 is offered in 10-lead MSOP and 12-lead (3-by-4mm) DFN packages, and is specified both over the commercial and industrial temperature ranges. It is available from stock, with pricing starting at $1.85 each for 1,000-pieces quantities.

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