isl62391 Intersil Corporation, isl62391 Datasheet - Page 11

• Manufacturer Part Number: isl62391
• Description: High-efficiency, Triple-output System Power Supply Controller For Notebook Computers
• Manufacturer: Intersil Corporation

Typical Performance Curves
FIGURE 17. DELAYED START, V
FIGURE 19. DELAYED START, V
FIGURE 21. CROWBAR OVERVOLTAGE PROTECTION,
EN2 = FLOAT, NO LOAD
EN1 = 1, EN2 = FLOAT, NO LOAD
V
IN
UGATE1-PHASE1
= 12V, V
LGATE1
PGOOD
PGOOD
V
V
O
V
O1
O2
O1
= 3.3V, NO LOAD
EN1
V
V
O1
O2
11
IN
IN
= 12V, V
= 12V, V
(Continued)
O1
O1
= 3.3V, V
= 3.3V, V
ISL62391, ISL62392
O2
O2
= 5V,
= 5V,
FIGURE 18. DELAYED START, V
FIGURE 20. OVERCURRENT PROTECTION, V
FIGURE 22. TRI-STATE OVERVOLTAGE PROTECTION,
EN1 = FLOAT, NO LOAD
V
V
O
IN
= 3.3V
UGATE1-PHASE1
= 12V, V
PGOOD
LGATE1
V
PGOOD
O1
O
V
I
O1
= 3.3V, NO LOAD
EN2
O1
V
V
O1
O2
IN
= 12V, V
O1
= 3.3V, V
IN
December 22, 2008
= 12V,
O2
FN6666.4
= 5V,