Ladies and Gentlemen
I think I may be stuck between a rock and a hard place.
We have a new project that is, for all practical purposes a custom design
for a client.
We purchase a supply that indicates compliance with EN61000-3-2 harmonics.
Our customer wants a more quantitative number. Is it 90% PFC, 95% etc.
I can't tell that from the spec sheet and quite frankly at this point I
can't lay my hands on a power supply yet and obviously we haven't gone to test
yet with this in our equipment so I don't believe I have any way of
determining this (not sure that I could tell from the conformance test anyway
- can I?)
When I call the power supply manufacturer, I can't directly address the
design engineer and all they can tell me is that it meets the requirements for
Class A waveform.
Am I overlooking something here in the datasheet? Is there anyway to infer
what what the PFC % is?
Gary
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