LTC4252B-1/LTC4252B-2 LTC4252C-1/LTC4252C-2
Negative Voltage Hot Swap Controllers
FEATURES
DESCRIPTION
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% Undervoltage/Overvoltage Threshold (LTC4252C) n Improved Ruggedness Shunt
Regulator ■ Adjustable Undervoltage/Overvoltage Protection ■ LTC4252B-1/LTC4252C-1: Latch Off After Fault ■ LTC4252B-2/LTC4252C-2: Automatic Retry After Fault ■ Available in 8-Pin and 1...