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MAX5919 - Low-Voltage / Dual Hot-Swap Controllers

General Description

The MAX5918 and MAX5919 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.

Key Features

  • like startup current regulation and current glitch protection to eliminate external timing resistors and capacitors. These devices provide open-drain status outputs, an adjustable startup timer and adjustable current limits. The MAX5918 provides output undervoltage/overvoltage protection for each channel, while the MAX5919 provides undervoltage/overvoltage monitoring for each channel. The MAX5918 and MAX5919 are available in a spacesaving 16-pin QSOP package and are specified over the extended -.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-2496; Rev 0; 7/02 Low-Voltage, Dual Hot-Swap Controllers with Independent ON/OFF Control General Description The MAX5918 and MAX5919 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 MAX5918 and MAX5919 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.