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UVD9222 the period of DPWM is wrong

guoping Lee
Expert 1010 points
Other Parts Discussed in Thread: UCD9222, UCD7242

Hi everyone.

We are desisn a PCB  with 6678.the CVDD is supplied by UCD9222+UCD7242,We set the Switching Frequency 799KHz in Fusion Digital Power.the period should be 1252ns,But the period of  DPWM2A is 1.5us,why?