LTC4242 Datasheet (Linear Technology) - Dual Slot Hot Swap Controller

LTC4242, Dual Slot Hot Swap Controller

www.DataSheet4U.com LTC4242 Dual Slot Hot Swap Controller for PCI Express DESCRIPTIO The LTC®4242 Hot SwapTM controller allows safe board insertion and removal for two independent slots on a PCI Express backplane.

External N-channel transistors control the 12V and 3.3V supplies while integrated switches control the 3.3V auxiliary supplies.

Both 12V and 3.3V supplies can be ramped up at an adjustable rate.

Dual level circuit breakers and fast active current limiting protect all supplies against

LTC4242 Features

* Allows Live Insertion into PCI Express® Backplane Controls Two Independent PCI Express Slots Independent Control of Main and Auxiliary Supplies 20V Rating for 12V Supply Input Pins Integrated 0.25Ω AUX Switches Limits Fault Current i