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F28335电源1.9v

Other Parts Discussed in Thread: TLV62565, TPS62240

我目前使用TPS767D301来作为3.3V以及1.9V电压输入是5v,目前芯片发热严重,室温下都有70度,
能否推荐下最新的dc-dc芯片,
5v输入,3.3v输出,1A;5v输入,1.9v输出,1A左右的芯片.
谢谢!