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LP5912-0.9芯片的用2.5v做Vin行不行



我在设计中打算使用LP5912-0.9v fix输出的LDO芯片,想问问看Vin的范围。

器件手册上笼统的写1.6v-6.5v,但手册上的测试条件里面针对0.9v写的Vin是1.6v到2.2v。

我的设计中,输入电压只有2.5v,用2.5v做Vin来产生0.9v可不可以?会不会效率很低,大概效率是多少?