[christianw.]

Zitat:> |================================================================
> | Staff Comment 2012-10-01 09:00:07 PST
> | By: Matthew M
> |
> | Hello Christian,
> |
> | I want to apologize for the delayed response. We no longer make
> | MAX9704 evaluation kits so I had to retrofit a MAX9714 evaluation
> | kit to be suitable for this device.
> |
> | Now that I have a working board, I have booked some lab time in
> | the coming days to take a look at this device at start-up, and I
> | will report my findings as soon as is possible.
> |
> | I appreciate your patience,
> |
> | Matthew Mowdy
> | Audio Applications Engineer

Meine direkte Antwort mit Voltwides Bild:

Zitat:Hello Matthew,

thanks for your efforts. We measured Board 1 another time with "ultra low ESR capacitors", does not make much difference. Even with /SHDN pulled low, it looks like the picture attached.

It is clearly seen that the current drawn is not only caused by the bulk capacitors.

Yellow line is voltage directly on supply, blue line is current via 0R33. So there is some current (1A+) flowing somewhere.

For this measure, no load where connected.

Regards,


Christian