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UCC5350: VCC與Input訊號準位詢問

Part Number: UCC5350

TI 專家您好,

請問使用UCC5350的一次側VCC使用12V

但輸入訊號(PIN2)的電壓準位是3.3V在應用上是否會有風險?

還是會建議將輸入訊號抬升至與VCC一樣到12V會較合適?

再請協助解惑,謝謝