LTC4226 Datasheet | Linear Technology

Features n Allows Safe Board Insertion into Live Backplane n Selectable Current Limit and Dual-Rate Timer Acmodate Load Surges n Fast Response Limits Peak Fault Current n Wide Operating Voltage Range: 4.5V to 44V n Optional Auto-Retry or Latchoff after Overcurrent Fault n High Side Drive for External N-Channel MOSFET n Allows Parallel Power Paths for High Current Applications n Available in 16-Pin QFN (3mm × 3mm) and MSOP Packages Applications n Apple Fire Wire/IEEE 1394 n Disk Drives n Rugged 12V, 24V Applications n Hot Board/Connector Insertion n Uni/Bidirectional Current Limiter/Circuit Breaker LTC4226 Wide Operating Range Dual Hot Swap Controller Description The LTC®4226 dual Hot Swap™ controller allows two power paths to be safely inserted and removed from a live backplane or powered connector. Using N-channel pass transistors, supply voltages ranging from 4.5V to 44V are ramped up at an adjustable rate. Three selectable ratios of current limit to circuit...