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TPS54312PWP与TPS54312MPWPREP的器件表面标识（TOP SIDE MARKING）是什么？
Hi
见TI marking网站： http://focus.ti.com/general/docs/partmarking/partmarkinghome.jsp?templateId=1&navigationId=10649&siteFlag=7
marking 都是TPS54312 ， 但是应该还有有其他的差别。
你也可以从产品主页查找表面打印的信息
