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TLV61220使能异常

Other Parts Discussed in Thread: TLV61220, TLV61220EVM-120, TPS61099

描述:我用TLV61220作为2.8V电压出入,输入是宽电压(氧化银电池,电压3V-0.9V左右),输出是2.8V

问题:规格书是高电平有效,但是即使我使能引脚EN拉低,输出仍然有2V左右的电压,帮忙看看是那的问题?谢谢!

补充:我是用的TLV61220的评估板TLV61220evm-120来测试的

 3515.tlv61220.pdf