Transcription of スイッチング電源の低ノイズ化 - fidelix.jp
1 1.. 2.. '94 . 3. '06 .. 4.. N .. 5.. 6.. (Zero Voltage Switching) (Zero Current Switching) .. 7.. ( .. 8.. 9.. 2uH 100nH. 742uH 12 3. EI28-PC40. 0m m s pa c e r 1m F. 20 5. 135 V. 20. H 5. 6ohm EI40-PC40. m s pa c e r f=130kHz . serenity power supply . 10.. 20kHz 20kHz .. Vsw = Vin sin 0 . Vsw = 0 0. Vin sin . Vcent =. 2. 11.. Vin sin .. Vin . di 2. =. dt L1.. 12. 1500V IGBT(TOSHIBA GT40T301) .. 50kHz .. 90kHz .. 13.. 1. f =. 2 C1L 2.. 14.. 15.. H H . 850m o h m . 90o h m 90V.. 470u F.. 180o h m .. 16. B .. 0 30 MHz 0 30 MHz .. 17. AB .. 2006.)
2 168 . 357 126 . 357 .. 30 40 .. 18. D .. 19.. IGBT 90kHz .. V IGBT V V .. 20.. 21.. 22.. 23.. 24.. 25.. 26.. 27.. 28.. 3.. 5. 7 9 11 13 15 17 19. 29.. 30.. 140. 120. 100. 80.. 60. 40. 20. 0.. 31.. 32.. 33.. 34.. 35.. 36.. 37.. ( . ).. PFC .. 38.. 39.
