I'm confused here just a bit. You said. "The last switcher I did failed to work from a bench supply, but ran perfectly on a battery. Turns out the leads from my bench supply were too long (inductance)." I assume that when you state 'bench supply', you mean a D.C. supply. If so then I have to question, ""inductance"", huh??? Ira.




On 5/19/2016 2:11 PM, gregebert wrote:
I suggest poking around with your scope to see if any unacceptable noise exists, and also running at different supply voltages. You dont want a marginal design.

The last switcher I did failed to work from a bench supply, but ran perfectly on a battery. Turns out the leads from my bench supply were too long (inductance).
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