ISL6123_07 Datasheet, PDF (20/21 Pages) Intersil Corporation – Power Sequencing Controllers

ISL6123, ISL6124, ISL6125, ISL6126, ISL6127, ISL6128, ISL6130
DLY_X Threshold Voltage and Charging Current
Mismatch
The two other error sources come from the IC itself and are
the differences in the DLY_X threshold voltage, (DLY_Vth)
when the GATE charging latch is set and the DLY_X
charging current, (DLY_ichg) across the four individual I/Os.
Both of these parameters are bounded by specification and
Figure 27 illustrates that with a common capacitor the typical
error contributed by these factors is insignificant as both
DLY_X traces overlay each other.
FIGURE 27. DLY_VTH AND DLY_ICHG TIMING MISMATCH
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20
FN9005.8
February 5, 2007