UCC28220: How to Design Compensation?

Chris Wang

Part Number: UCC28220

Tool/software:

How to design FB and Slope compensation? have any design document(.xlsx)?

Thanks.

0 Hong Huang 22 days ago

Hi,

What do you mean by FB?

Slope compensation, datasheet section 8.4.3 shows details.

0 Chris Wang 21 days ago in reply to Hong Huang

The meaning of FB compensation is shown in the red box in the image below.

Thanks.

0 Hong Huang 21 days ago in reply to Chris Wang

Hi,

That circuit is designed based on the converter type topology you use.

If you use UCC28220 as boost then that circuit design is based on boost.

Basically type II or type III loop compression.

Power management forum