I understand from Figure 36, and the text in the DS how the soft-start system works.
I understand how to use Equation (5) to calculate the "tss" value (soft-start time)
The equation suggests with C_NSSS = 0nF, that soft-start time = 0[s]
Does this indicate that, after the propagation delay from V_EN going HIGH, the output rise-time is completely dependent on load conditions, and no "soft-start" feature is active?
Looking at Fig. 32~35, it seems there is propagation delay from V_EN going HIGH, to VOUT starting to rise.
Looking closer at the graphs, the propagation delay seems related to C_NSSS.
A higher I_NSSS current, or a lower C_NSSS value, has a "quicker" propagation delay. (Fig. 32 = ~80us delay)
But a lower I_NSSS current, or a higher C_NSSS value, has a "longer" propagation delay. (Fig. 33 = ~400us delay)
How is the propagation delay defined? It seems this will affect the calculated "tss" value, and could throw off any system-critical timings...