Reply to "Dimming car lights from block control"

SGJeffOGR Forum Member SUPPORTING MEMBER

I had looked at that one, but the specs on the XL6009 say 5.0V minimum. Pursuing that further, reports show its output can go to 50V unregulated when the voltage drops below the minimum spec. I suspect the module originally used the LM2577 because its specs do say 3.5V min. There have also been reports of people ordering a module supposedly using the LM2577, but receiving one with the XL6009. China probably just substituted the cheaper XL6009 without understanding it was not an exact replacement.

I'm looking at using a 5V regulator into a 5.5V supercapacitor, followed by an adjustable boost regulator.

Jeff

5/6/192:28 PM

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