UCC256404: RVCC Noise

Nishanth M

Part Number: UCC256404

Hello Team,

How to arrest the RVCC noise in the UCC256404? Noise starts whenever the switching starts Check out the below captured waveforms and circuit.

VCC: 18V

RVCC: 13V

LO Output

HO Output:

Kind Regards,

Nishanth M

+1 Manikanta Pallantla over 1 year ago

Hi Nishanth,

Its a switching noise. Could you use the tip and barrel method given in the following link while measuring the voltages

Regards

Manikanta P

0 Nishanth M over 1 year ago in reply to Manikanta Pallantla

Hi,

Thanks for the support. How to reduce the Negative Glitch in the falling edge of the LO output.

Kind Regards,

Nishanth M

+1 Manikanta Pallantla over 1 year ago in reply to Nishanth M

Hi Nishanth,

As I mentioned, it could be switching noise. By using proper probing techniques, it should go away.

Regards

Manikanta P

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