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MAX5955 - Dual Hot-Swap Controllers

General Description

The MAX5955 and MAX5956 are +1V to +13.2V dual hot-swap controllers with independent on/off control for complete protection of dual-supply systems.

They allow the safe insertion and removal of circuit cards into live backplanes.

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19-3813; Rev 0; 9/05 EVAALVUAAILTAIOBNLEKIT Low-Voltage, Dual Hot-Swap Controllers with Independent On/Off Control MAX5955/MAX5956 General Description The MAX5955 and MAX5956 are +1V to +13.2V dual hot-swap controllers with independent on/off control for complete protection of dual-supply systems. They allow the safe insertion and removal of circuit cards into live backplanes. The MAX5955 and MAX5956 operate down to 1V provided one of the inputs is above 2.7V. The discharged filter capacitors of the circuit card provide low impedance to the live backplane. High inrush currents from the backplane to the circuit card can burn up connectors and components, or momentarily collapse the backplane power supply leading to a system reset.