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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1095143/tps2553d-difference-between-tps2553dbvr-and-tps2553ddbvr
尊敬的e2e团队：
TPS2553DBVR和 TPS2553DDBVR之间的区别是什么？
谢谢！
Giorgia
TPS2553DBVR：工作电压范围(2.5V~6.5V)；
TPS2553DDBVR：工作电压范围(2.7V~6.5V)
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谢谢。
