ISL6186 Datasheet, PDF (11/18 Pages) Intersil Corporation – USB Port Power Supply Controller

ISL6186
Typical Performance Curves (Continued)
3A VARIANT
78A/ms
16A/ms
1.6A/ms
3A VARIANT
0.5A OC
300µs
1A OC
137µs
4A OC
32µs
2A OC
60µs
I_LOAD = 2.75A
I_LIMIT = 3.42A
I_LOAD = 3.2A
I_LIMITED
FIGURE 17. OC RAMP RATE I_LIM WAVEFORMS
EN
FAULT
V_OUT
I_IN
3A VARIANT
FIGURE 19. TURN-ON INTO AN OVERCURRENT
EN
FAULT
V_OUT
I_IN
FIGURE 18. PEAK CURRENT SETTLING TIMES
EN
FAULT
V_OUT
I_IN
3A VARIANT
FIGURE 20. TURN-ON INTO MOMENTARY OC
V_OUT
PG
EN
I_IN
FIGURE 21. OVERCURRENT RETRY FUNCTION
11
FIGURE 22. TURN-OFF w PG
FN7698.1
September 1, 2011