External MOSFet

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Hi, I have to design a number of power supply, ranging from 12.5W to 1 kW. I would like to use the PI products, if possible, on all my designs. What I would like to know is if it would be possible to use an external MOSFET to drive the inductor in high power applications, or regular power applications, so I can use, for example, a Tiny switch to drive, lets say, 120W. regards, Mauricio Jancic Janso Desarrollos www.janso.com.ar
no, external MOSFET for high power appliaction is not recommended for many good reasons.