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ISO5851 Power Dissipation

Rebecca Tom
Intellectual 1790 points
Other Parts Discussed in Thread: ISO5851

Hello,


I have a question from one of my customers below. Any assistance would be appreciated! Thanks.

"I am using TI ISO5851 isolated gate driver in an application where it is driving a device with 2.46 nf of gate capacitance. The switching frequency is 20KHz. My gate resistor is 4.7ohms. Vcc is 20 volts and Vdd is 5 volts.  What will be the power dissipation in the device?"