-
My ToshibaSemicon
- 网站首页 查看
-
半导体 查看
-
应用
-
产品
＊
: Products list (parametric search)＊
: Products list (parametric search)＊
: Products list (parametric search)＊
: Products list (parametric search)分立半导体
二极管
晶体管
通用逻辑IC
模拟器件
＊
: Products list (parametric search)＊
: Products list (parametric search)＊
: Products list (parametric search)＊
: Products list (parametric search) -
设计与开发
-
知识库
- 购买 查看
-
- 存储产品 查看
- 公司信息 查看
- 型号搜索
- 交叉搜索
- 关键词搜索
- 参数搜索
- 库存查询与购买
This webpage doesn't work with Internet Explorer. Please use the latest version of Google Chrome, Microsoft Edge, Mozilla Firefox or Safari.
请输入3个以上字符
The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.TOSHIBA is not responsible for any incorrect or incomplete information. Information is subject to change at any time without notice.
请输入3个以上字符
什么是光耦？
下载“第Ⅴ章：光半导体” (PDF:1.8MB)
光耦：
光耦是将发光二极管（LED）和光电探测器集成于一个封装中的器件。与其它光学器件不同，光不会发射至封装外。其外观类似于非隔离器／固态继电器。虽然光耦是一种光学器件，但它不处理光，而是处理电信号。
光耦的操作示例：
（1）LED接通（0⇒1）。
（2）LED光进入光电晶体管。
（3）光电晶体管接通。
（4）输出电压改变0⇒1。
（1）LED关断（1⇒0）。
（2）LED光停止进入光电晶体管。
（3）光电晶体管关断。
（4）输出电压改变1⇒0。
*右边的剖面图显示了一个采用双模结构的透射型晶体管输出光耦。
