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ISL6174 pdf datasheet (Dual Lo

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  • 标      签: ISL6

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This IC targets dual voltage hot swap applicaTIons across the+2.5V to +3.3V (nominal) bias supply voltage range with asecond lower voltage rail down to less than 1V where a circuitbreaker response to an over current event is preferred.It features a charge pump for driving external N-ChannelMOSFETs, accurate programmable circuit breaker currentthresholds and delay output undervoltage monitoring andreporTIng and adjustable soft-start.The circuit breaker current level (ICB) for each rail is set bytwo external resistors, and for each rail a delay (tCB) is set byan external capacitor on the TCB pin. After tCB has expired,the IC then quickly pulls down the associated GATE(s)output turning off its external FET(s).
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