Device Architecture
2-94 Revision 4
C
GS
is not a fixed capacitance but, depending on the circuitry connected to its drain terminal, can vary
significantly during the course of a turn-on or turn-off transient. Thus, EQ 6 on page 2-93 can only be
used for a first-order estimate of the switching speed of the external MOSFET.
Figure 2-75 • Gate Driver Example
AG
High
Current
High
Current
1 μA3 μA 10 μA 30 μA
1 μA3 μA 10 μA 30 μA