请教:我调试一双管反激电路,控制芯片UC3844,当开关管占空比不到50%时,就出现 间歇模式,不知什么原因,而且反馈通过光藕PC817输出给UC3844芯片补偿引脚波形震荡比较厉害,请大侠帮忙解决,至为谢谢!
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请教:我调试一双管反激电路,控制芯片UC3844,当开关管占空比不到50%时,就出现 间歇模式,不知什么原因,而且反馈通过光藕PC817输出给UC3844芯片补偿引脚波形震荡比较厉害,请大侠帮忙解决,至为谢谢!