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High Voltage Power MOSFET switching parameters: Testing ...
High Voltage Power MOSFET switching parameters : Testing Methods for Guaranteeing datasheet limits Anup Bhalla, Fei Wang Introduction Power MOSFET datasheets will usually show typical and min-max values for Rg, Ciss, Crss, Coss, and also show values for gate charge broken down into Qgs, Qgd, Qg. It is also customary to show values for switching times during resistive switching , td(on), trise, td(off), tfall. (For a glossary of terms, see appendix I) It is well known that the device parameters Qgs, Qgd, Qg have a one-to-one correlation with the parameters Ciss and Crss [1]. In other words, once we measure device capacitances, we can guarantee the values of the gate charge parameters . The gate charge captures the charge needed to move the gate from 0V to the desired Voltage , and integrates the non-linear capacitance over that Voltage range.
High Voltage Power MOSFET switching parameters: Testing Methods for Guaranteeing datasheet limits Anup Bhalla, Fei Wang Introduction Power MOSFET datasheets will usually show typical and min-max values for Rg, Ciss, Crss, Coss, and also show values for gate charge broken down into Qgs, Qgd, Qg.It is also customary to show values for switching times during resistive
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