Spikes at output of DC-DC converter-Problem

A.S.Bhushan

Expert 1060 points

Hi Every one.

I am attaching a image regarding my problem.

When I switch ON/OFF any FAN or any other item in the same AC line, Output of DC-DC converter disturbs.

What could be the problem for this? and How can we solve this.? Please help me.Spikes.docx

over 7 years ago

0 Sonal Singh over 7 years ago

TI__Expert 6080 points

Hello Bhushan,

Can you please share with me what kind of converter is your application using? controller number? topology etc.
Do you have waveforms of input current and Vout during the SW1 ON/OFF event, that will help me understand the issue better.

Regards,
Sonal

0 A.S.Bhushan over 7 years ago in reply to Sonal Singh

Expert 1060 points

Hi Sonal,

Thanks for your reply.

We are using LT3752-1 as main controller. Schematic attached.

Please find the attachments for wave forms and schematicSCHEMATIC1 _ 01.pdf 2211.Spikes.docx.

0 Sonal Singh over 7 years ago in reply to A.S.Bhushan

TI__Expert 6080 points

Hello Bhushan,

We can only support TI portfolio.

I hope this answers your question, Please hit Answered if your query was resolved.

Regards,

Sonal

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Spikes at output of DC-DC converter-Problem