Tool/software:
I'm using the TPS628502-Q1 PSpice transient model and would like to determine the phase margin and dB gain. However, in my steady-state simulation, the dB gain of the output voltage is very low. I am probing VOUT and VFB with a db magnitude of voltage and phase of voltage probe. I'm also plotting the traces as DB(V(VOUT)/V(FB)) and P(V(VOUT/V(FB)). Any feedback or suggestions would be greatly appreciated.
