General DescriptionThe MAX5927/MAX5929 +1V to +13.2V quad hot-swapcontrollers provide complete protection for multisupplysystems. They allow the safe
MAX5927/MAX5929The MAX5927/MAX5929 turn off all channels if any ofthe above conditions are not met. After a fault-latchedshutdown, cycle any of the ON
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The MAX5927/MAX5929 turn off all channels if any ofthe above conditions are not met. After a fault-latchedshutdown, cycle any of the ON_ inputs to unl
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Slow-Comparator Startup PeriodThe slow comparator is disabled during the startupperiod while the external MOSFETs are turning on.Disabling the slow co
MAX5927/MAX5929age. tD,UVLOensures that the board is fully insertedinto the backplane and that the input voltages are stable. The MAX5927/MAX5929 incl
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MAX5927/MAX5929Sense ResistorThe slow-comparator threshold voltage is adjustablefrom 25mV to 100mV. Select a sense resistor that caus-es a drop equal
Startup SequenceThere are two ways of completing the startupsequence. Case A describes a startup sequence thatslowly turns on the MOSFETs by limiting
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MAX5927/MAX5929With a 22nF gate capacitor, the inrush current, charge,and discharge times are:Case B: Fast Turn-On (With Current Limit)In applications
The maximum inrush current in this case is:Figure 6 shows the waveforms and timing diagrams fora startup transient with current regulation (see theTyp
MAX5927/MAX5929Layout ConsiderationsTo take full tracking advantage of the switch responsetime to an output fault condition, it is important to keep a
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MAX5927/MAX5929Low-Voltage, Quad, Hot-SwapControllers/Power SequencersMaxim cannot assume responsibility for use of any circuitry other than circuitry
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XXXXMAX5927toc19VINW2V/div0VVONW2V/div0V5V/div0V4ms/divVGATEXVGATEWVPWRRDYTURN-OFF INVOLTAGE-TRACKING MODEXXXXMAX5927toc20VINW2V/divVONW2V/div0V5V/div
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Detailed DescriptionThe MAX5927/MAX5929 are circuit-breaker ICs for hot-swap applications where a line card is inserted into alive backplane. The MAX5
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