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器件型号:UCC256304 (演示板/数据表光耦合器反馈) UCC256304 FB 引脚:(否则保持不变)随着输出电压的变化、驱动光耦合器从 FB 引脚拉出或多或少的电流、哪些开关特性会发生变化以补偿输出电压的变化?
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