Other Parts Discussed in Thread: PMP10200, UCC28700
According SLUA987B description,The UCC28730-Q1 can design Automotive 40V to 1kV input flyback converter,but Ivsl(run)=220uA,Ivs(max)=-1.2mA,The input voltage range maximum 1.2/0.22=5.5 times,Unable to do input voltage range 40V to 1KV flyback converter.