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BACKUP_SUPPLY_ACTIVATES_BY_DROP_IN_MAIN_SUPPIJY

2015-03-18 01:50  
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BACKUP_SUPPLY_ACTIVATES_BY_DROP_IN_MAIN_SUPPIJY
A supply monitor using two TL7702A chips monitors the ±15-V supplies and activates the backup supply in case of a voltage drop. Although the chips are intended for use as reset controllers in microprocessor systems, they work well in this application.