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buck??·???????,BUCK???????????????????????

???:2017-09-24 13:50???:??????
????buck??·???????????·??????????????????????о??????BUCK/BOOST??·????????????·??????????????buck?????·?????????С???????????????????任????boost??????????????????????????????????????任??????????????????·????????????????????????·???????
 
???????????????BUCK?任????????????BUCK?任????н????任????????????????????С???????????????????????任????
 
???????1??Q?????????????????????????????????????????PWM????????PulsewidthmodulatiON???????????TS?????????f=1/Ts??????????ton??????????toff???????Ts=Ton+Toff??????Dy=Ton/Ts??
buck??·???????,BUCK??????????????????????? - ?????????,?????????,??????????????? ???????????

??buck??·????1??

????buck??·??????????Q??PWM?????????????????Dy????????????????Dy=1??????????????Lf???????????????С?Boost?任?????CCM??DCM????????????
buck??·???????,BUCK??????????????????????? - ?????????,?????????,??????????????? ???????????

??buck??·????2??
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      1.?????? ???????????????????polysulfonamide??PSA)????????????????????-4,4-????????????-co-3,... [????]


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      2. ??????????? ???????D-?????????B-1??4???????????????????????????????????к?????????... [????]


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      1.??????? ?????????polyimide??PI)?????????????????????????????????????????????????... [????]


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      ???????????????????????????????????????????????????PET) ???????????????PMMA)(?2.... [????]


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      1.????????? ??????????????????????C?H????CF??????????????????????????????????????... [????]


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