ISL6123_11 Datasheet, PDF (12/23 Pages) Intersil Corporation – Power Sequencing Controllers

ISL6123, ISL6124, ISL6125, ISL6126, ISL6127, ISL6128, ISL6130
Using the ISL6125EVAL1Z
Platform
The ISL6125EVAL1Z is the ISL6125-specific evaluation board
that allows evaluation of the ISL6125 and the ISL6130 with
their open-drain outputs (contact Intersil sales support with
Typical Performance Waveforms
your needs). The UVLO levels, sequence and delays are
programmed exactly like the other ISL612X ICs except that the
ISL6125 and ISL6130 have sequenced, open-drain outputs
rather than charge-pump-driven GATE outputs. See Figure 18
for the ISL6125EVAL1Z schematic and photograph and
Table 3 for the component listing.
5VOUT
ENABLE
3.3VOUT
2.5VOUT
1.5VOUT
RESET
1V/DIV
40ms/DIV
FIGURE 9. ISL6124 SEQUENCED TURN-ON
5VOUT
3.3VOUT
1.5VOUT
2.5VOUT
ENABLE
1V/DIV
20ms/DIV
FIGURE 10. ISL6124 SEQUENCED TURN-OFF
T_delENLO
GATE 2V/DIV
3.3VO 1V/DIV
DLY_Vth
DLY_ON 1V/DIV
EN 2V/DIV
10ms/DIV
FIGURE 11. ISL6123 SINGLE CHANNEL TURN-ON
GATE 2V/DIV
3.3VO 1V/DIV
RESET 2V/DIV
EN 2V/DIV
DLY_OFF 1V/DIV
DLY_Vth
4ms/DIV
FIGURE 12. ISL6123 SINGLE CHANNEL TURN-OFF
12
FN9005.11
August 25, 2011