Jul 12, 2018 #1 Z Zak28 Advanced Member level 2 Joined Aug 19, 2016 Messages 579 Helped 6 Reputation 12 Reaction score 6 Trophy points 18 Activity points 4,681 How detrimental are gate charge and input capacitance (Ciss) for N-MOSFET switching (0v-max Vgs) speed? Which bares more importance to optimum speeds?
How detrimental are gate charge and input capacitance (Ciss) for N-MOSFET switching (0v-max Vgs) speed? Which bares more importance to optimum speeds?
Jul 12, 2018 #2 C CataM Advanced Member level 4 Joined Dec 23, 2015 Messages 1,275 Helped 314 Reputation 628 Reaction score 312 Trophy points 83 Location Madrid, Spain Activity points 8,409 You know that gate charge depends on the capacitance, so asking what is more important is the wrong question because one makes the other. The gate charge curve (drawn for your specific application parameters) along with the Cgd curve can tell the switching speeds and its behaviour.
You know that gate charge depends on the capacitance, so asking what is more important is the wrong question because one makes the other. The gate charge curve (drawn for your specific application parameters) along with the Cgd curve can tell the switching speeds and its behaviour.