星力7代捕鱼

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                            阿里参与对赌技术,LoRa怎敢“死亡”?

                            本文主要汇总了一下15个关于功率二极管知识点,一起学习一下:

                            1. SHENMESHIERJIGUANDEZHENGXIANGEDINGDIANLIU?ERJIGUANDEEDINGDIANLIUSHIERJIGUANDEZHUYAOBIAOCHENGZHI,BIRU5A/100VDEERJIGUAN,5AJIUSHIEDINGDIANLIU。TONGCHANGEDINGDIANLIUDEDINGYISHIGAIERJIGUANSUONENG TONGGUODEEDINGPINGJUNDIANLIU。DANSHIYOUXIEDECESHIQIANSHIFANGBO,YEJIUSHIKEYITONGGUOPINGJUNZHIWEI5ADEFANGBODIANLIU。YOUXIEDECESHIQIANTISHIZHILIU,YEJIUSHINENGTONGGUO5ADEZHILIUDIANLIU。LILUNSHANGLAISHUO, DUIYUGUIERJIGUAN,YIFANGBOWEICESHITIAOJIANDEERJIGUANNENGTONGGUOGENGDADEZHILIUDIANLIU,YINWEITONGYANGPINGJUNDIANLIUDEFANGBOJIAOYUZHILIUDIANLIU,HUIJIERJIGUANDAILAIGENGDASUNHAO。NEIME5ADEERJIGUANSHIFOUYIDING NENGTONGGUO5ADEDIANLIU?BUYIDING,ZHEIGEHEWENDUYOUGUAN,DANGNIDESANRETIAOJIANBUZUGOUHAO,NEIMEERJIGUANNENGTONGGUODEDIANLIUHUIBEIJIEWENXIANZHI。

                            2. 什么是二极管的反向额定电压?二极管反向截止时,可以承受一定的反压,那么其高可承受的反压就是额定电压。比如5A/100V的二极管,其额定反压就是 100V。虽然,所有二极管厂家都会留一定的裕量,100V的二极管通常用到110V都不会有问题,但是不建议这么用,因为超过额定值,厂家就不会保证其 可靠性,出了问题就是你的问题了。而且很多电源设计公司,为了保障可靠性,还会降额设计。

                            星力7代捕鱼 3. SHENMESHIERJIGUANDEZHENGXIANGCHONGJIDIANLIU?KAIGUANDIANYUANZAIKAIJIHUOZHEQITASHUNTAIQINGKUANGXIA,XUYAOERJIGUANNENGGOUCHENGSHOUHENDADECHONGJIDIANLIUERBUHUAI,DANGRANZHEIZHONGCHONGJIDIANLIUYINGGAISHIBUZHONGFUXING,HUOZHEJIANGESHI JIANHENZHANGDE。TONGCHANGERJIGUANDESHUJUSHOUCEDOUYOUDINGYIZHEIGECHONGJIDIANLIU,QICESHITIAOJIANWANGWANGSHIDANGEBOXINGDECHONGJIDIANLIU,BIRUDANGEZHENGXIANBO,HUOZHEFANGBO。QIDIANLIUZHIWANGWANGKEDAJIBAI。

                            4. SHENMESHIERJIGUANDEZHENGXIANGDAOTONGYAJIANG?ERJIGUANZAIZHENGXIANGDAOTONG,LIUGUODIANLIUDESHIHOUHUICHANSHENGYAJIANG。ZHEIGEYAJIANGHEZHENGXIANGDIANLIUYIJIWENDUYOUGUAN。TONGCHANGGUIERJIGUAN,DIANLIUYUEDA,YAJIANGYUEDA。WENDUYUEGAO,YAJIANGYUEXIAO。DANSHITANHUAGUIERJIGUANQUESHIWENDUYUEGAO,YAJIANGYUEDA。

                            5. SHENMESHIERJIGUANDEFANXIANGLOUDIANLIU?ERJIGUANZAIFANXIANGJIEZHIDESHIHOU,BINGBUSHIWANQUANLIXIANGDEJIEZHI。ZAICHENGSHOUFANYADESHIHOU,HUIYOUXIEWEIXIAODEDIANLIUCONGYINJILOUDAOYANGJI。ZHEIGEDIANLIUTONGCHANGHENXIAO,ERQIEFANYAYUEGAO,LOUDIANLIUYUEDA,WENDUYUEGAO,LOUDIANLIUYUEDA。DADELOUDIANLIUHUIDAILAIJIAODADESUNHAO,TEBIEZAIGAOYAYINGYONGCHANGHE。

                            6. SHENMESHIERJIGUANDEFANXIANGHUIFUSHIJIANHEFANXIANGHUIFUDIANLIU?ZHEIGESHIERJIGUANDEZHONGYAOZHIBIAO,SUOWEIDEKUAIHUIFU,MANHUIFUERJIGUANJIUSHIYICIWEIBIAOZHUN。ERJIGUAN ZAICONGZHENGPIANZHUANHUANDAOFANPIANDESHIHOU,HUICHUXIANJIAODADEFANXIANGHUIFUDIANLIUCONGYINJILIUXIANGYANGJI,QIFANXIANGDIANLIUXIANSHANGSHENGDAOFENGZHI,RANHOUXIAJIANGDAOLING。NEIMEQISHANGSHENGXIAJIANGDESHIJIANJIUSHIFANXIANGHUIFUSHIJIAN,FENG ZHIDIANLIUJIUSHIFANXIANGHUIFUDIANLIU。ZHEIGEZAIGAOPINLVDEYINGYONGZHONGHUIDAILAIHENDASUNHAO。ERFANXIANGHUIFUSHIJIANHEDIANLIUHEERJIGUANJIEZHISHI,ZHENGXIANGDIANLIUDEXIAJIANGSULVZHENGXIANGGUAN。JIEJUEZHEIGEWENTI,YIJIUSHIYONG HUIFUSHIJIANGENGKUAIDEERJIGUAN,ERSHICAIYONGZCSFANGSHIGUANDUANERJIGUAN。

                            7. SHENMESHIRUANHUIFUERJIGUAN?ERJIGUANZAIFANXIANGHUIFUDESHIHOU,FANXIANGDIANLIUXIAJIANGDEBIJIAOMANDE,CHENGWEIRUANHUIFUERJIGUAN。RUANHUIFUDUIJIANXIAOEMIYOUYIDINGDEHAOCHU。

                            星力7代捕鱼 8. SHENMESHIERJIGUANDEJIEDIANRONG?JIEDIANRONGSHIERJIGUANDEYIGEJISHENGCANSHU,KEYIKANZUOZAIERJIGUANSHANGBINGLIANDEDIANRONG。

                            9. SHENMESHIERJIGUANDEJISHENGDIANGAN?ERJIGUANJISHENGDIANGANZHUYAOYOUYINXIANYINQI,KEYIKANZUOCHUANLIANZAIERJIGUANSHANGDEDIANGAN。

                            10. 二极管正向导通时候瞬态过程是怎样?对于二极管的瞬态过程,通常关心比较多的是反向恢复特性。但是其实二极管从反偏转为正向导通的过程也有值得注意的地 方。在二极管刚导通的时候,正向压降会先上升到一个大值,然后才会下降到稳态值。而这个大值,随di/dt的增大而增大。也就是说二极管带导通瞬间会 产生一个正向尖峰电压,而且电压要大于稳态电压。快恢复管的这个正向尖峰电压比较小,慢恢复管就会很严重。这个就引出了另外一个问题:

                            11. ZAIRCDQIANWEIDIANLUZHONG,ERJIGUANDAODIXUANMANGUAN,HAISHIKUAIGUAN?RCDDIANLUCHANGYONGYUYIXIEXUYAOQIANWEIDECHANGHE,BIRUflybackYUANBIANMOSDEDIANYAQIANWEI,CIJIZHENGLIUGUANDEDIANYAQIAN WEI。YOUXIEJISHUWENXIANSHUOYINGGAIYONGMANHUIFUGUAN,LIYOUSHIMANHUIFUGUANYOUYUQIFANXIANGHUIFUSHIJIANBIJIAOZHANG,ZHEIYANGQIANWEIDIANRONGZHONGDEYIBUFENNENGLIANGHUIZAIERJIGUANFANXIANGHUIFUGUOCHENGZHONGHUIKUIJIDIANLU,ZHEIYANGZHENGGE RCDDIANLUDESUNHAOKEYIJIANGDI。BUGUOZHEIGEZHISHIHEXIAODIANLIU,DIdi/dtDECHANGHE。BIRUXIAOGONGLVflybackDEYUANBIANQIANWEIDIANLU。DANSHIBUSHIHEDADIANLIU,GAOdi/dtDEQIANWEI CHANGHE,BIRUDADIANLIUSHUCHUDEDIANYUANDECIJIQIANWEIDIANLU。YINWEI,MANHUIFUGUANZAIDAOTONGDESHIHOUHUICHANSHENGHENGAODAOTONGYAJIANGJIANFENG,DAOZHISUIRANQIANWEIDIANRONGSHANGDEDIANYAHENDI,DANSHIQUEMEIFAQIANZHUJIANFENGDIAN YA。SUOYIYINGGAIXUANZEXIAOTEJIERJIGUANZHILEI。

                            12. SHENMESHIXIAOTEJIERJIGUAN?XIAOTEJIERJIGUANSHIYIZHONGLIYONGXIAOTEJISHILEIGONGYIDEERJIGUAN,HEPUTONGDEPNJIEERJIGUANXIANGBI,QIYOUDIAN:GENGKUAIDEFANXIANGHUIFUSHIJIAN,HENDUOCHENGZHIWEI0FANXIANGHUIFUSHI JIAN。SUIRANBINGBUSHIZHENDE0FANXIANGHUIFUSHIJIAN,DANSHIXIANGDUIPUTONGERJIGUANYAOKUAIFEICHANGDUO。QIQUEDIAN:FANXIANGLOUDIANLIUBIJIAODA,SUOYIMEIFAZUOCHENGGAOYADEERJIGUAN。MUQIANDEXIAOTEJIERJIGUAN,JIBENDOUSHI 200VYIXIADE。SUIRANYOUXIEGONGSIKEYITIGONGGAOYADEXIAOTEJIGUIERJIGUAN,DANSHIYESHIJIANGJIGEERJIGUANCHUANLIANZHIHOUFENGZHUANGZAIYIQI。DANGRANYEYOUGONGSICHENGYOUDUTEDEGONGYI,KEYIZHIZAOGAOYAXIAOTEJI ERJIGUAN,DANBINGBUZHIXIAOSHISHENMEYANGDEGONGYI。

                            13. SHENMESHITANHUAGUIERJIGUAN?TONGCHANGDAJIASUOYONGDEJIBENDOUSHIYIGUIWEIYUANLIAODEERJIGUAN,DANSHIBIJIAOREMENDETANHUAGUIERJIGUANSHIYONGTANHUAGUIWEIYUANLIAODEERJIGUAN。MUQIANCHANGJIANDEDUOWEIGAOYADEXIAOTEJI TANHUAGUIERJIGUAN,QIYOUDIAN:FANXIANGHUIFUTEXINGHENHAO,PIMEIXIAOTEJIGUIERJIGUAN。DANSHIKEYIZUOGAOYADEERJIGUAN。ZAIPFCZHONGYIYOUJIAODUOYINGYONG。QUEDIAN:ZHENGXIANGDAOTONGYAJIANGBIJIAODA。HAIYOUYIDIANYU GUIERJIGUANBUTONGDESHIQIDAOTONGYAJIANGSUIWENDUSHANGSHENGFANERZENGDA。ZAOQIDETANHUAGUIERJIGUAN,HAIYOUKECHENGSHOUCHONGJIDIANLIUXIAO,KEKAOXINGBUGAODENGQUEDIAN。DANSHIMUQIANYIYOUHENDAGAISHAN。

                            14. 什么是砷化镓二极管?说实话,我听说砷化镓材料早于碳化硅,但是后来就较少听说了。目前砷化镓在LED上似乎有些应用,但是功率器件上却还比较少。

                            星力7代捕鱼 15. ERJIGUANSHIHEBINGLIANME?LILUNSHANGLAISHUOGUIERJIGUAN,YOUYUDAOTONGYAJIANGSUIWENDUSHANGSHENGERXIAJIANG,SUOYISHIBUSHIHEBINGLIANDE,DANSHIXIANZAIHENDUOERJIGUANHUIBALIANGGEDANGUANFENGZHUANGZAIYIQI,ZHEIYANGWENSHENGXIANGDUIJUNYUN,JIBINGLIANDAILAIHAOCHU。DANSHITANHUAGUISHIDEYAJIANGSHISUIWENDUSHANGSHENGERSHANGSHENG,LILUNSHANGSHISHIHEBINGLIANDE。


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