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 found
across the four DLY_X outputs. These errors are the DLY_X
threshold voltage (DLY_Vth) variance when the GATE_X charging
and discharging current latches are set, and the DLY_X charging
current (DLY_ichg) variances to determine the time to next
sequencing event. Both of these parameters are bounded by
specification. Figure 29 shows that, with a common capacitor,
the typical error contributed by these factors is insignificant,
since both DLY_X traces overlay each other.
FIGURE 29. DLY_VTH AND DLY_ICHG TIMING MISMATCH
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Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time
without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be
accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third
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21
FN9005.12
September 26, 2012
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