Hi. I just got my TL431 but it's not doing as well as i had hoped. What i need to achieve is a low voltage warning at 2.5Vdc It's an amplifier i have made that is driven on 3Vdc (2x AA@1,5V) and it's doing well. one week without turning it off and i've lost 0.14V So how the heck am i to make thi…

Low voltage indicator

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