UCC256404的VCC已经充电到19V左右,还是没有发波,LLC控制器没工作。帮忙看下什么原因?
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Hi
确认一下高压启动是否异常?
另外你是完整的电路测试驱动(包括变压器,反馈等整体电路),还是仅仅搭一些电路让芯片输出驱动?