N = 3 · Native VRM phase-space trajectories

12 V → 1 V / 40 A · 3 × 400 kHz · five matched native cases per run · measured waveforms

Yellow = natural drift · cyan = Vout-only feedback. Scope superimposition uses saved switched-SPICE samples, not synthetic waveforms. R5 and R8 have different duration and controller activation times; not an isolated frequency-mismatch sweep. Original native simulations and dashboards are preserved.