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TL431-Q1: Query on TL431 Response time as comparator

Part Number: TL431-Q1
Other Parts Discussed in Thread: TL431

Hi, I have been simulating the TL431 as comparator. I have given green color waveform as input to ref pin. I could see the TL431 responding(blue color waveform) after > 100uS when ref pin voltage goes < 2.5V. Will TL431 takes this long to respond as i couldn't find the same in data sheet?