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WEBENCH® Tools/TIDA-00367: TIDA-00367

Part Number: TIDA-00367
Other Parts Discussed in Thread: UCC28630

Tool/software: WEBENCH® Design Tools

we use your IC(UCC28630) to design one playback, and study your reference design(TIDA-00367),and find the below formula:

the power dissipated in the snubber circuit(RCD): P_SN=0.5 x L_leak x (I_pri_PK)^2 x [V_SN/(V_SN-nVo)] x Fsw   on page 11.

why does the above formula need multiply  [V_SN/(V_SN-nVo)] , what do it mean? please explain it,

thanks