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公开(公告)号：DE102004025909A1
公开(公告)日：2005-12-22
申请号：DE102004025909
申请日：2004-05-27
Applicant: INFINEON TECHNOLOGIES AG
Inventor： BODANO EMANUELE , BOEHM ANDRAS , CLERIS MAURO , LENZ MICHAEL , LOGIUDICE ANDREA , PISELLI MARCO
Abstract: The circuit provides constant current for the operation of a light emitting diode, LED, load [30] and this connects with a current measuring resistor [Rs] providing feed back to a supply regulating circuit [10]. The output connects with an error detection circuit [20] providing status data.
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