LTC1422I Datasheet

Hot Swap Controller


The LTC ® 1422 is an 8-pin Hot Swap TM controller that allows a board to be safely inserted and removed from a live backplane. Using an external N-channel pass transis- tor, the board supply voltage can be ramped up at a programmable rate. A high side switch driver controls the N-channel gate for supply voltages ranging from 2.7V to 12V. LTC1422I Features • Allows Safe Board Insertion and Removal from a Live Backplane• System Reset Output with Programmable Delay• Programmable Electronic Circuit Breaker• User-Programmable Supply Voltage Power-Up Rate• High Side Driver for an External N-Channel FET• Controls Supply Voltages from 2.7V to 12V• Undervoltage Lockout• Soft Reset Input• Glitch Filter on RESET• Available in 8-Pin Narrow PDIP and SO Packages LTC1422I Applications • Hot Board Insertion• Electronic Circuit Breaker


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Manufacturer information


Diodes Incorporated is a leading global manufacturer and supplier of high-quality, application-specific, standard products within the broad discrete, logic and analog semiconductor markets. Diodes Incorporated primarily serves the computing, consumer, communications, industrial and automotive segments. Diodes’ diverse product portfolio includes parts for LCD/LED TVs and displays, desktop, notebook and tablet computing, smartphones and hand-held devices, set-top boxes, power supplies and USB protection as well as many other application areas.

Diodes Incorporated offers a wide array of products including diodes, rectifiers, transistors, MOSFETs, gate drivers, protection devices, function-specific arrays, amplifiers and comparators, Hall-effect sensors and temperature sensors, power management devices including LED drivers, AC-DC converters and controllers, DC-DC switching regulators, linear voltage regulators, current monitors, and voltage reference and shunt regulators, along with special function devices including USB power switches, load switch devices, voltage supervisors and motor controllers.

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