Power_supply_monitor

Published:2009/7/23 22:30:00 Author:Jessie | From:SeekIC

This circuit shows an LTC1045 used as a power-supply monitor. The outputs of three power supplies are tied to the positive inputs through an appropriate resistive voltage divider. The divider ratio is set so that the voltage into the comparator (Fig. 6-61B) equals the reference on the inverting input when the power-supply voltage is at a critical level.



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