Hi.
I believe R2 is only there to pull the gate of the MOSFET down so that the MOSFET can be switched off.
I think you mean R3.
R2 is to pull the gate potential up ,higher, than the source potential.
Tom... 
Hi.
I believe R2 is only there to pull the gate of the MOSFET down so that the MOSFET can be switched off.
I think you mean R3.
R2 is to pull the gate potential up ,higher, than the source potential.
Tom...