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D类功放电源的问题

Other Parts Discussed in Thread: TAS5630, TAS5613

TI工程师:

TI出了很多大功率D类放大器,但是对于它的电源我始终没找到合适的方案。就比如TAS5630,这么大的电压、功率输入,如果用开关电源,不但成本高,而且纹波大。

我在考虑是否可以直接用环形变压器进行几万uf的电容滤波供电(不稳压)?