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rngd said:Hi,
For some reason my lm385-2.5 voltage reference only outputs 0.47V instead of the 2.5V. Current flowing is 0.35 :mu: A, the minimum operating current is 13 :mu: A.
Any idea on what I should check ?
Thank you.
rngd said:its connected to a 330khm: resistor which is connected to a 12V battery, kinda like in the pic.
rngd said:Oh I see. I guess I shouldn't always jump straight to the tables when looking at datasheets. I'll increase the current and see if it works.
Thanks guys.
justDIY said:unless you're running some sort of micropower solar app, why deal in microamps at all? just feed the thing a generous milliamp or two.
Better wear a mask before this experimentBoncuk said:My generousity would go further. I'd feed it with 1Amp to make it smile.![]()
rngd said:Guys, I increased the current to 15mA but the voltage is still not 2.5V. It is just increasing a little bit every time I increase the current, it is now at 0.8V.
Why else could be wrong ? The connection is correct.
to justDIY, actually, I am using it in a solar application (solar batt charger).