TPS54620RGY和TPS54620RHL,有什么不同?规格书中只说了这么一段话,There may be slight differences between the provided data and actual lead frame used on the TPS54620RGY package. The RGY package is identical to the RHL package. The RHL footprint should be used for both packages.除了封装还有没有其他地方有差异???