LM5045: What are the usage of mosfet at the current sense transformer?

Yee Yong Teo

Part Number: LM5045

Hi,

On LM5045 EVM, there are 4 mosfets connected to current sense transformer. What is the usage?

Thanks.

- YY

0 Peter Meaney over 6 years ago

Hi Yee

I have asked the application engineer to look at this question. You should see a response soon.

Regards

Peter

0 Peter Meaney over 6 years ago in reply to Peter Meaney

Hi Yee,

I just confirmed that the mosfets are synchronous rectifiers for the current transformer.

Regards

Peter

0 Yee Yong Teo over 6 years ago in reply to Peter Meaney

Hi Peter,

Can you explain why synchronous rectifiers is needed in this design?

Thanks.

- YY

Power management forum