LT4220 Dual Supply Hot Swap Controller
FEATURES
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DESCRIPTIO
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Hot SwapTM Controller for Positive and Negative Supplies Supply Tracking Mode ±2.
7V to ±16.
5V Operation Analog Current Limit with Foldback Allows Safe Board Insertion and Removal from a Live Backplane Open-Collector Power Good Comparators Automatic Retry or Latchoff After a Current Fault Dual Undervoltage Lockout Comparator Inputs Current Fault Indication
The LT®4220 16-pin dual voltage Hot Swap controller allows a board to be safely inserted and removed from a live backplane.
The device operates with any combination of 2.
7V to 16.
5V and –2.
7V to –16.
5V supplies.
Using two external N-channel pass
transistors, th...