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ISL62391 Datasheet, PDF (11/20 Pages) Intersil Corporation – High-Efficiency, Triple-Output System Power Supply Controller for Notebook Computers
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ISL62391, ISL62392
Typical Performance Curves (Continued)
EN1
VO1
EN2
VO2
VO1
VO2
FIGURE 17. DELAYED START, VIN = 12V, VO1 = 3.3V, VO2 = 5V,
EN2 = FLOAT, NO LOAD
FIGURE 18. DELAYED START, VIN = 12V, VO1 = 3.3V, VO2 = 5V,
EN1 = FLOAT, NO LOAD
VO1
VO2
PGOOD
FIGURE 19. DELAYED START, VIN = 12V, VO1 = 3.3V, VO2 = 5V,
EN1 = 1, EN2 = FLOAT, NO LOAD
VO1
UGATE1-PHASE1
LGATE1
PGOOD
FIGURE 21. CROWBAR OVERVOLTAGE PROTECTION,
VIN = 12V, VO = 3.3V, NO LOAD
11
VO1
PGOOD
IO1
FIGURE 20. OVERCURRENT PROTECTION, VIN = 12V,
VO = 3.3V
VO1
UGATE1-PHASE1
LGATE1
PGOOD
FIGURE 22. TRI-STATE OVERVOLTAGE PROTECTION,
VIN = 12V, VO = 3.3V, NO LOAD
FN6666.4
December 22, 2008
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