Description
The LTC®4253/LTC4253A negative voltage Hot Swap™ controllers allow a board to be safely inserted and removed from a live backplane.
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/Overvoltage Protection
with ±1% Threshold Accuracy (LTC4253A) n	 Three Sequenced Power Good Outputs n	 Adjustable Soft-Start Current Limit n	 Adjustable Timer with Drain Voltage Accelerated
Response n	 Latcho.