[best]: Tl494 Ltspice

Purpose: verify startup, soft‑start and current‑limit.

Expected waveforms:

Frequency = 1/(RT*CT), typical range 1kHz-300kHz E_OSC_TRIG 110 0 VALUE V(100)*0.7 ; ~70% duty cycle max G_OSC 0 7 VALUE IF(V(7,9) < V(110) & V(12,9)>4, 1e-3, 0) C_OSC 7 9 1n IC=0 R_OSC 7 9 1MEG tl494 ltspice