利用SG3525實現調頻控制的感應加熱電源

摘要：本文介紹了一種利用PWM集成控制芯片SG3525來實現加熱電源調頻控制的方法。給出了主電路拓撲結構，并分析了控制原理和控制電路的設計，最后給出了實驗結果。利用SG3525實現調頻控制電路結構簡單，設計比較靈活。 敘詞：感應加熱 調頻 SG3525 Abstract：The paper introduces a way about induction heating power supply of PFM control based on SG3525.The main circuit is presented, and control circuit is analyzed and designed, in the end giving the experiments results. The way has the simple structure and flexible design.　 Keyword：induction heating power supply; PFM ; SG3525