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UCC28951: External Error Amplifier

Part Number: UCC28951
Other Parts Discussed in Thread: UC2856

Hi PSFB Experts,

My customer s looking to upgrade to a newer current mode PSFB controller. The UCC28951 seems to be of most interest but they would need to bypass the internal error amplifier to use a DAC output into COMP. This is how they implement the UC2856 in their designs..

Is it possible to bypass the internal EA on the UCC28951? Any extra considerations needed?

Thank you,

Reed