Failure of Link Switch PH-LNK 419

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Dear All,

             Recently We have designed 35-45 W LED Driver(36v/1.1A) using LNK 419.But Major proble we observed in design that LNK 419 SWICTH is get failed everytime.Drin Pin is get burst in every driver.Kindly suggest me better solution to solve the problem.

Before  we can suggest a solution to a problem, you need to find-out the cause of blow-up. Check thye EOS parameters on your application.