嗨，
在这种情况下，二极管必须是4A快速二极管;他们需要维持功率级的相同电流。
在并联模式下，等效功率级理想情况下可以管理高达4 A的直流电，但您需要采取一些余量，因为不能保证负载电流实际上分成两个相等的部分。两个BJT中的一个可能会下沉来源比另一个更新。
问候
恩里科
以上来自于谷歌翻译
以下为原文
Hi,
In this case the diodes must be 4A fast diodes; they need to sustain the same current of the power stage.
In the parallel mode the equivalent power stage is ideally able to manage up to 4 A DC, but you need to take some margin because it is not guarantee that the load current is actually splitted in two equal parts. One of the two BJTs will probably sinksource more current than the other.
Regards
Enrico
嗨，
在这种情况下，二极管必须是4A快速二极管;他们需要维持功率级的相同电流。
在并联模式下，等效功率级理想情况下可以管理高达4 A的直流电，但您需要采取一些余量，因为不能保证负载电流实际上分成两个相等的部分。两个BJT中的一个可能会下沉来源比另一个更新。
问候
恩里科
以上来自于谷歌翻译
以下为原文
Hi,
In this case the diodes must be 4A fast diodes; they need to sustain the same current of the power stage.
In the parallel mode the equivalent power stage is ideally able to manage up to 4 A DC, but you need to take some margin because it is not guarantee that the load current is actually splitted in two equal parts. One of the two BJTs will probably sinksource more current than the other.
Regards
Enrico
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