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LED driver does not work reason analysis?(1)

Update:01 Feb 2019
Summary:

1. Power reserve and derating requirements are not cons […]

1. Power reserve and derating requirements are not considered

2, does not consider the variation range of LED lamp bead Vf, resulting in low efficiency of the lamp, even unstable operation

2, does not consider the variation range of LED lamp bead Vf, resulting in low efficiency of the lamp, even unstable operation

4, failure in the test

5, different loads, different test results

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