| 전자부품 데이터시트 검색엔진 |
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AN4407 데이터시트(PDF) 2 Page - STMicroelectronics |
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AN4407 데이터시트(HTML) 2 Page - STMicroelectronics |
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2 / 19 page ![]() Contents AN4407 2/19 DocID025572 Rev 1 Contents 1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 Approach to the study . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.2 Parasitic inductance effects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 1.2.1 Turn-off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 1.2.2 Turn-on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 1.3 Comparison analysis between 3 pins and 4 pins devices in efficiency and temperature; turn-on and turn-off energy at different output power . . . . . 12 2 Eon / Eoff energy: experimental waveforms . . . . . . . . . . . . . . . . . . . . . 15 3 Conclusions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 4 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 5 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 |
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