Linear Technology LT4256-3
Positive High Voltage Hot Swap Controller
FEATURES
● Allows Safe Board Insertion and Removal from a Live Backplane● Controls Supply Voltage from 10.8V to 80V
● Foldback Current Limiting
● Open Circuit and Overcurrent Fault Detect
● Drives an External N-Channel MOSFET
● Automatic Retry or Latched Off Operation After Overcurrent Fault
● Programmable Supply Voltage Power-Up Rate
● Open MOSFET Detection
● 1% Over and Undervoltage Detection Accuracy
● Available in a 16-Lead SSOP Package U APPLICATIO S
● Hot Board Insertion
● Electronic Circuit Breaker/Power Bussing
● Industrial High Side Switch/Circuit Breaker
● 24V/48V Industrial/Alarm Systems
● Ideally Suited for 12V, 24V and 48V Distributed Power Systems
● 48V Telecom Systems LT4256-3 Positive High Voltage Hot Swap Controller with Open-Circuit Detect DESCRIPTIO The LT®4256-3 is a high voltage Hot SwapTM controller that allows a board to be safely inserted and removed from a live backplane. An internal driver controls the high side N-channe