3-25. Datasheets of MOSFET: Capacitance and Switching Characteristics

＜Electrical characteristics＞

• Input capacitance (C_iss )  equivalent to C_gd + C_gs
  Gate-drain and gate-source capacitance
• Reverse transfer capacitance (C_rss )  equivalent to C_gd
  Gate-drain capacitance
• Output capacitance (C_oss )  equivalent to C_gd + C_ds
  Gate-drain and drain-source and gate-drain capacitance

• Rise time (t_r)
  It is the time when drain-source voltage varies from 90% to 10%.
• Turn-on time (t_on)
  It is the time between the instant when gate-source voltage rises to 10% and the instant when drain-source voltage falls to 10%.
• Fall time (t_f)
  It is the time when drain-source voltage varies from 10% to 90%.
• Turn-off time (t_off)
  It is the time between the instant when gate-source voltage falls to 90% and the instance when drain-source voltage rises to 90%.

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