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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.
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下载“第Ⅴ章:光学半导体” (PDF:0KB)
在光耦中,原边(LED侧)和副边(受光器件侧)是电绝缘的。因此,即使原边和副边的电位(甚至GND电位)不同,也可以将原边电信号传输到副边。
如右图所示的逆变器应用中,控制单元(如微控制器)通常在低直流电压下工作。另一方面,IPM和IGBT将驱动高电压负载(比如需要200V交流电)。高压系统部件可通过耦合器直接由微控制器控制。
*各种输出类型的光耦可根据您的需要进行定制。