Threshold Switch Circuit of TCAl05 or TCA205A

Published:2011/7/13 7:07:00 Author:Michel | Keyword: Threshold, Switch Circuit | From:SeekIC

Shown as the above picture,the highest voltage of circuit (a) has risen to 30V from Us=4.5V(When TCA105 is used) or 4.75 (When TCA205A is used). Here load is relay coil.The load current is 3mA in blocking state and it's load currentinconducting state，.



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