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LT4250L/LT4250H Negative 48V Hot Swap Controller
FEATURES
Allows Safe Board Insertion and Removal from a Live – 48V Backplane s Circuit Breaker Immunity to Voltage Steps and Current Spikes s Programmable Inrush and www.DataSheet4U.com Short-Circuit Current Limits s Pin Compatible with LT1640L/LT1640H s Operates from –20V to – 80V s Programmable Overvoltage Protection s Programmable Undervoltage Lockout s Power Good Control Output s Bell-Core Compatible ON/OFF Threshold
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DESCRIPTIO
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The LT®4250L/LT4250H are 8-pin, negative 48V Hot SwapTM controllers that allow a board to be safely inserted and removed from a live backplane. Inrush current is limited to a programmable value by controlling the gate voltage of an external N-channel pass transistor.