Power or analogue Catagory

I would like to ask questions about power supply ICs but I can not find a category

I would like to use a SMP controller such as NCP1589A, NCP3020, NCP5269B, or other as a boost regulator. That is use the high side output (pin VSW, LX, SW) connected to 0V and my boost transistor. Is this possible alternatively are there any spice models I can used to try this option?


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