U U LTC4221 Dual Hot Swap Controller/ Power Sequencer with Dual Speed, Dual Level Fault Protection FEATURES ■ Allows Safe Board Insertion and Removal from a Live Backplane ■ Configurable Power Supply Sequencing ■ Soft-Start with Current Foldback Limits Inrush Current ■ No External Gate Capacitor Required ■ Adjustable Dual Level Circuit Breaker Protection ■ Controls Supply Voltages from 1V to 13.
5V ■ Independent N-Channel MOSFET High Side Drivers ■ FB Pin Monitors VOUT for Overvoltage Protection ■ Latch Off or Automatic Retry on Current Fault ■ FAULT and PWRGD Outputs ■ Narrow 16-Pin SSOP Package U APPLICATIO S ■ Electronic Circuit Breaker ■ Power Supply Sequencing ■ Live Board Insertion an...

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