LM317_REGULATOR_SENSING

Published:2009/7/17 3:24:00 Author:Jessie | From:SeekIC

The optocoupler (as shown) provides load sensing for a 3-terminal regulator, such as the LM317 series. R1 sets a current of 5 mA through the optocoupler transistor and R3 is adjusted for 12 V across the load.



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