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TLVH431 datasheet clarification

Team,

I have some questions about the datasheet (Revised Sept ’09): http://www.ti.com/lit/ds/symlink/tlvh431.pdf

  • Figure 5 does not have units labeled on the axes.  Presumably the x-axis is degrees C.  Is the y-axis uA?
  • Figure 6 and Figure 7 have the same graph title and the same axis titles, but they appear to be plotting two different things.  Is Figure 7 showing Reference current?

Thanks

Viktorija

  • Viktorija,

    Figure 5 is reference current in nA vs. degrees C.

    Figure 6 and 7 are same data at different Y axis scale to show low current detail in figure 7.
    The 50uA 'pre-turn on' current is not visible on figure 6's 5mA/ division scale. This current flows through the cathode pin.