ISL6142 Intersil Corporation, ISL6142 Datasheet - Page 9

• Manufacturer Part Number: ISL6142
• Description: Negative Voltage Hot Plug Controller
• Manufacturer: Intersil Corporation

Test Circuit and Timing Diagrams
FIGURE 6A. DRAIN HIGH TO PWRGD (INACTIVE) HIGH
V
GATE
13.6V
FIGURE 9. SENSE TO GATE (CURRENT LIMIT) TIMING
DIS
EE
0V
FIGURE 7. DISABLE TO GATE TIMING (ISL6142/52)
- V
FIGURE 11. CURRENT LIMIT TO GATE TIMING
DRAIN
13.6V
UV
0V
3V
0V
SENSE
GATE
GATE
(ISL6142)
= 0V
50mV
1.50V
Over-Current Time-Out
DRAIN
V
PWRGD
DH
1V
t
PHLDIS
1.0V
9
t
PHLSENSE
~4V (depends on FET threshold)
t
PHLCB
t
8.0V
PLHDIS
1.0V
V
DRAIN
FIGURE 6. DRAIN TO PWRGD/PWRGD INACTIVE TIMING
1.0V
t
PLHDH
- V
2.2V
EE
1V
= 8.0V
(Continued)
FIGURE 6B. DRAIN HIGH TO PWRGD (INACTIVE) LOW
V
V
FIGURE 12. OUTPUT CURRENT RISE AND FALL TIME
EE
FIGURE 10. SENSE TO GATE (HARD FAULT) TIMING
SENSE
GATE
V
FAULT
13.6V
OUT
FIGURE 8. FAULT TO GATE TIMING (ISL6142/52)
- V
0V
DRAIN
SENSE
∆V
GATE
(ISL6152)
10%
= 0V
GATE
90%
- V
t
R
DRAIN
PWRGD
GATE
210mV
t
PHLF
V
= 0V
DH
90%
t
PHLHF
V
8.0V
V
EE
V
DRAIN
1.4V
1.0V
PWRGD
t
PHLDH
10%
1.0V
t
- V
F
- V
EE
DRAIN
= 8.0V
= 0V