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U U
FEATURES
s Allows Safe Board Insertion and Removal from a Live, CompactPCITM Bus
s Controls –12V, 3.3V, 5V and 12V Supplies s Adjustable Foldback Current Limit with Circuit
Breaker s Dual-Level Circuit Breakers Protect 5V and 3.3V
Supplies from Overcurrent and Short-Circuit Faults s LOCAL_PCI_RST# Logic On-Chip s PRECHARGE Output Biases I/O Pins During Card
Insertion and Extraction s Adjustable Supply Voltage Power-Up Rate
U APPLICATIO S
s Hot Board Insertion into CompactPCI Bus
LTC1644
CompactPCI Bus Hot Swap Controller
DESCRIPTIO
The LTC®1644 is a Hot SwapTM controller that allows a board to be safely inserted and removed from a CompactPCI bus slot. External N-channel transistors control the 3.3V/5V supplies, while on-chip switches control the –12V and 12V supplies. The 3.
LTC1644 Datasheet
