CONSTANT－CURRENT_LED

Published:2009/7/14 4:01:00 Author:May | From:SeekIC

National NSL4944 LED having built-in current control features can be used in simple circuit shown to provide current limiting and short-circuit protection for 15-V supply Even、With output shorted, LED draws only a little more than rated current．－ Linear Applications、vol. 2, National Semiconductor, Santa Clara, CA, 1976, AN-153,p3



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