Optically_controlled_regulator_shutdown

Published:2009/7/22 22:20:00 Author:Jessie | From:SeekIC

This circuit shows a 4N26 that is used to shut down a voltage regulator. To ensure that the regulator is shut down, input current to the 4N26 LED must be a minimum of 5 mA (to produce 1 mA at thq 4N26 output).



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