我用L4970A做了一BUCK结构降压DC/DC变换器,输入40V,输出24V,在输出端测试到的波形,带了0.6A的纯电阻负载(L4970的输出电流可达10A),请各位大侠帮我看看,这样的波形算不算正常.小弟先行谢过.
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现在是输入电压低于稳压值的时候的波形(此时的输出电压有15V左右)
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