北京11选5

电源适配器输出过压与欠压保护电路的优缺点!

  对于电源适配器输出过压保护电路与欠压保护电路,想必除了专业人士,很多人都不太清楚,今天我们就来给大家介绍一下,希望可以帮到大家!

电源适配器输出过压与欠压保护电路的优缺点!

  一、电源适配器输出过压保护电路

  1、输出过压保护电路一:

  YOUYUBUQUEDINGYINSUHUODIANYUANNEIBUGUZHANGDAOZHISHUCHUDIANYAGAOYUEDINGZHI,CHUFAGUOYABAOHUDIANLUDUIQIDIANYAQIANWEIZAISHEDINGZHI,CONGERDADAOWENDINGSHUCHUDIANYAZHI,BIRUYIGE12v2aDEDIANYUANSHIPEIQI,ZAIMOUGUZHANGYINGXIANGXIADAOZHISHUCHUDIANYAGAOYU12V,GUOYABAOHUDIANLUHUIBADIANYAQIANWEIZAIEDINGZHI12V。

  SHUCHUGUOYASHI,JIAZAIVD3SHANGDEDIANYADAYUQIWENYAZHISHI,VD3DAOTONG,SHUCHUDIANYABEIQIANWEI,TONGSHITONGGUOIC4XIANGYUANBIANFANKUI。

  YOUDIAN:

  DIANLUSHEJIJIANDAN CHENGBENDI

  QUEDIAN:

  WENYAGUANVD3YOUPIANCHAHUIDAOZHIYAQIANWEIDIANSHANGXIAFUDONG

  YINGYONGDEZHUYISHIXIANG:

北京11选5  VD3YINGGAIXUANWENDUXISHUJIAOHAODEWENYAGUAN,XUDIAOSHIDEYUANJIANRUR32YINGKAOLVDUOGEBINGLIANYIFANGBIANDIAOSHI。

北京11选5  DANGGUOYABAOHUDIANLUQIZUOYONGSHI,DIANLUCHUYUFEIZHENGCHANGGONGZUOZHUANGTAI。DUIYUYOUSHUCHUDIANYASHANGXIADIAOGONGNENGDEDIANLU,GUOYABAOHUDIANYINGDAYUSHUCHUDIANYASHANGDIAOZUIDAZHI

  2、输出过压保护电路二:

北京11选5  SHUCHUGUOYABAOHUDIANLU:YUGUOYABAOHUDIANLUYIYIYANG,ZAISHUCHUDIANYAGAOYUEDINGZHI,CHUFABAOHUDIANLU,BUGUOQIDIANLUJIEGOUBUYIYANG。

  SHUCHUGUOYASHI,Va>Vref,IC3DAOTONG,TONGGUOIC4XIANGYUANBIANFANKUI,SHUCHUDIANYAWENDINGZAISHEDINGDEGUOYABAOHUZHI。

  YOUDIAN:SHUCHUGUOYABAOHUZHIKEYIJINGQUESHEZHI。

  QUEDIAN:XIANGDUIWENYAGUANQIANWEIFANGSHICHENGBENSHAOGAOYIXIE。

  YINGYONGDEZHUYISHIXIANG:

  DANGGUOYABAOHUDIANLUQIZUOYONGSHI,DIANLUCHUYUFEIZHENGCHANGGONGZUOZHUANGTAI。DUIYUYOUSHUCHUDIANYASHANGXIADIAOGONGNENGDEDIANLU,GUOYABAOHUDIANYINGDAYUSHUCHUDIANYASHANGDIAOZUIDAZHI。

  二、电源适配器的欠压保护电路

  1、输入欠压保护电路一:

  YILEIDIANYUANSHIPEIQISHURUQIANYADIANLU:BAOHUYUANLIWEIDIANYASHURUDIYUEDINGZHISHIHUODIYUBAOHUDIANYAZHISHIHUILADIKONGZHIXINPIANDEGONGDIANVCCDADAOGUANBISHUCHUDEMUDE。

  QISHIXIANYUANLIWEI:

  DANGDIANYUANSHURUDIANYAGAOYUQIANYABAOHUSHEDINGDIANSHI, A DIANDIANYAGAOYU U4 DE Vref , U4 DAOTONG, B DIANDIANYAWEIDIDIANPING, 04 DAOTONG, Vcc GONGDIANZHENGCHANG:DANGSHURUDIANYADIYUBAOHUDIANYASHI, A DIANDIANYADIYU U4 DE Vref , U4 JIEZHI, B DIANDIANYAWEIGAODIANPING, Q4 JIEZHI,DAOZHI Vcc MEIYOUDIANYA,ZHEISHI Vre TAWEIDIDIANPING,ADIANDIANYASUISHURUDIANYAZENGGAOERZENGGAO,GAOYUU4 DE VrefSHIMOKUAIBIANWEIZHENGCHANGGONGZUO,R4 KEYISHEDINGQIANYABAOHUDIANDEHUICHA。

  YOUDIAN:DIANLUJIEGOUJIANDAN,BAOHUDIANJINGZHUN

北京11选5  QUEDIAN:FEIYONGCHENGBENTAIGAO

北京11选5  YINGYONGDEZHUYISHIXIANG:SHIYONGSHIZHUYI R , , RZ DEQUZHI,YOUSHIHOUXUYAOLIANGGEDIANZUBINGLIANCAINENGDEDAOXUYAODEBAOHUDIAN。HAIXUYAOZHUYI R1 , RZ DEWENDUXISHU,FOUZEGAODIWENSHI,QIANYABAOHUDIANXIANGCHAJIAODA。

  2、输入欠压保护电路二:

  ERLEIQIANYABAOHUDIANLU:SHURUDIANYAGAOYUQIANYAZHIZHENGCHANGJIETONG,DIYUQIANYAZHIZIDONGGUANBISHUCHU。

  QISHIXIANYUANLIWEI:

  SHURUDIANYAZAIZHENGCHANGGONGZUOFANWEINEISHI, VaDAYUVD4DEWENYAZHI,VT4DAOTONG,VbWEI0DIANWEI,VT5JIEZHI, CISHIBAOHUDIANLUBUQIZUOYONG;DANGSHURUDIANYADIYUSHEDINGQIANYAZHISHI,VaXIAOYUVD4DEWENYAZHI,VT4JIEZHI,VbWEIGAODIANWEI,VT5DAOTONG,JIANGCOMP(XINPIANDE1JIAO)LADAO0DIANWEI,XINPIANGUANBISHUCHU,CONGERSHIXIANLEQIANYABAOHUGONGNENG。 R21、VT6、R23ZUCHENGQIANYAGUANDUAN、HUIFUSHIDEHUICHADIANLU。DANGQIANYAGUANDUANSHI,VT6DAOTONG,JIANGR21YUR2BINGLIAN,

  HUIFUSHI,VT6JIEZHI

  HUICHADIANYAJIWEI(Vin’-Vin)

  YOUDIAN:DIANLUXINGSHIJIANDAN,CHENGBENJIAODI。

  QUEDIAN:MEIYIGEWENYAGUANVD4DEWENYAZHIDOUYOUWUCHA,DAOZHIQIANYABAOHUZHISUIZHIBODONG,DANGDAPILIANGSHENGCHANDESHIHOUXUYAODIAOSHIXIANGGUANZHI

  YINGYONGDEZHUYISHIXIANG:VD4YINGGAIXUANWENDUXISHUJIAOHAODEWENYAGUAN,XUDIAOSHIDEYUANJIANRUR2YINGKAOLVDUOGEBINGLIANYIFANGBIANDIAOSHI。

  DUIYUDIANYUANSHIPEIQISHUCHUGUOYABAOHUDIANLUYUQIANYABAOHUDIANLUJIUJIESHAODAOZHEILI,RUGUONINHAIYOUSHENMEYIWENKEYILIANXIWOMEN,WOMENHUIWEININXIANGXIJIEDA!

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