ISL62386 查看數據表（PDF） - Intersil
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ISL62386 Datasheet PDF : 20 Pages
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Typical Performance (Continued)
1) CH1: 5V 1ms
2) CH2: 2V 1ms
3) CH3: 5V 1ms
EN1
VO1
VO2
ISL62386
1) CH1: 5V 1ms
2) CH2: 2V 1ms
3) CH3: 5V 1ms
EN2
VO1
VO2
FIGURE 17. DELAYED START, VIN = 12V, VO1 = 3.3V, VO2 = 5V,
EN2 = FLOAT, NO LOAD
1) CH1: 5V 1ms
2) CH2: 5V 1ms
3) CH3: 2V 1µs
4) CH4: 5V 1µs
VO1
VO2
PGOOD
LDO3
FIGURE 18. DELAYED START, VIN = 12V, VO1 = 3.3V, VO2 = 5V,
EN1 = FLOAT, NO LOAD
1) CH1: 2V 100µs
2) CH2: 5V 100µs
3) CH3: 5A 100µs
VO1
PGOOD
IO1
FIGURE 19. DELAYED START , VIN = 12V, VO1 = 3.3V,
VO2 = 5V, EN1 = 1, EN2 = FLOAT, NO LOAD
1) CH1: 5V 200µs
2) CH2: 5V 200µs
3) CH3: 500mV 200µs
4) CH4: 5V 200µs
VO1
VO2
FB1
PGOOD
FIGURE 20. OVERCURRENT PROTECTION, VIN = 12V,
VO1 = 3.3V
1) CH1: 1V 10µs
2) CH2: 5V 10µs
3) CH3: 10V 10µs
4) CH4: 5V 10µs
VO1
LGATE1
PHASE1
PGOOD
FIGURE 21. UNDERVOLTAGE PROTECTION, FAULT ON
SMPS1, VIN = 12V, VO1 = 3.3V, VO2 = 5V, NO
LOAD
10
FIGURE 22. OVERVOLTAGE PROTECTION, AUTO-RESTART
WHEN FAULT IS CLEARED. VIN = 12V, NOMINAL
VO1 = 3.3V, NO LOAD, DEM OPERATION
FN6831.0
February 4, 2009
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