LTC4252-1/LTC4252-2 LTC4252A-1/LTC4252A-2
Negative
Voltage Hot Swap Controllers
Features
n Allows Safe Board Insertion and Removal from a Live – 48V Backplane
n Floating Topology Permits Very High
Voltage Operation n Current Limit With Circuit Breaker Timer n Fast Response Time Limits Peak Fault Current n Programmable Soft-Start Current Limit n Programmable Timer with Drain
Voltage
Accelerated Response n ±1% Under
voltage/Over
voltage Threshold Accuracy
(LTC4252A) ■ Adjustable Under
voltage/Over
voltage Protection ■ LTC4252-1/LTC4252A-1: Latch Off After Fault ■ LTC4252-2/LTC4252A-2: Automatic Retry After Fault ■ Available in 8-Pin and 10-Pin MSOP Packages
Applications
n Hot Board Insertion n El...