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LM20123 VUVLO疑問

Other Parts Discussed in Thread: LM20123, TPS630242

請教問前有個方案charge ic 因電壓轉態會將電池轉換3.7V-->5 , 5V是DC/DC input 5-->3.3,但會降到2.7V再升到5V,如果用這LM20123

 

可以不影響後段3.3V輸出, 就是5V一個時間會掉至2.7V,我輸出是3.3V,可以穩在3.3V嗎......