ISL62391(2008) Просмотр технического описания (PDF) - Intersil

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ISL62391
(Rev.:2008)

High-Efficiency, Triple-Output System Power Supply Controller for Notebook Computers

Intersil 

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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