00:00We know that MOSFETs are widely used in any switching application to achieve maximum efficiency.
00:05We need to increase their switching speed, specifically improving both turn-on and turn-off speeds beyond the MOSFET gate driver and gate resistor.
00:13We can also employ external circuits to achieve faster switching. These circuits are known as speed enhancement circuits.
00:20When discussing speed enhancement circuits, we should specifically consider those capable of accelerating the MOSFET turn-off process.
00:26The reason is that turn-on speed is typically limited by the turn-off speed of rectifier components in the power supply or their reverse recovery speed.
00:34The fastest switching action depends on the reverse equivalent characteristics of the diode, not the strength of the gate driver circuit.
00:41We can achieve optimal turn-on speed by applying higher allowable voltages across both the driver output impedance and the gate resistor.
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