Automotive Buck Boost LED driver 15W example CISPR25 Class 4 DownloadLink 5461

15W Buck Boost
1 Scope
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2 Table of contents
1 Scope.....................................................................................................................................1
2 Table of contents ...................................................................................................................1
3 Component calculation ..........................................................................................................2
4 Application schematic ...........................................................................................................3
5 CE measurement results according to CISPR25 – Peak detection...........................................4
6 Changing the switching frequency .........................................................................................5
6.1 Increasing the switching frequency .................................................................................5
6.2 Reducing the switching frequency...................................................................................5
7 Conclusions...........................................................................................................................6
390111080326 Rev 002, KHA/DLM
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15W Buck Boost
3 Component calculation
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15W Buck Boost
4 Application schematic
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15W Buck Boost
5 CE measurement results according to CISPR25 – Peak detection
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15W Buck Boost
6 Changing the switching frequency
6.1 Increasing the switching frequency
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7 Conclusions
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