LTC4253 Datasheet (Linear Technology) - -48V Hot Swap Controller

LTC4253, -48V Hot Swap Controller

The LTC®4253/LTC4253A negative voltage Hot Swap™ controllers allow a board to be safely inserted and removed from a live backplane.

Output current is controlled by three stages of current-limiting: a timed circuit breaker, active current limiting and a fast feedforward path that limits peak current

LTC4253 Features

* n Allows Safe Board Insertion and Removal from a Live

* 48V Backplane n Floating Topology Permits Very High Voltage Operation n Adjustable Analog Current Limit with Breaker Timer Ideal for Two Battery Feeds n Fast Response Time Limits Peak Fault Current n Adjustable Undervoltage/Overvolt