Part Number: UCC28C44
Previously, the UCC28C44 chip worked normally. However, for the newly purchased batch of chips, it was found that the chips had PCN, and the width of the copper wire for wafer epitaxial growth changed from 0.96mm to 0.8mm. Tests revealed that all newly purchased chips had abnormal phenomena. The schematic design is shown in the figure. What parameters need to be adjusted?
1,The design is as follows:
2,normal:
3,unnormal:
