比如这两款芯片UCC256301, UCC25600 的几款参考电路中,有的有谐振电感,有的没有,请问下没有谐振电感的是不是把变压器的初级线圈当谐振电感了?
另外请教下,LLC谐振电源的设计关键是不是控制器的开关频率要等于谐振电路的谐振频率?什么情况下效率会最高呢?
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