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WEBENCH® Tools/LM3429: High current LED driver with LM3429

Part Number: LM3429

Tool/software: WEBENCH® Design Tools


I am designing a driver for LED CMT2890 (Vf=54V; I=3.3A) using LM3429.
The input:
+ VIN=12V
+ Vled=54V; I=3.3A.
=> Iswitch~20A.

I tried to use WEBENCH but the tool does not support my case. But in the Lm3429 datasheet, it shows that "LED current is not internally limited" so I think LM3429 can work.

If I calculate parts following datasheet of LM3429, can the driver work well with LM3429?

If the LM3429 can't work with my case, can you recommend another part?