
ISL8501
Typical Performance Curves Circuit of Figure 2. V IN = 12V, VIN_LDO1 = VIN_LDO2 = V OUT1 = 3.3V, I OUT1 = 1A, V LDO1 = 1.2V,
I LDO1 = 450mA, V LDO2 = 1.8V, I LDO2 = 450mA, T A = -40°C to +85°C unless otherwise noted.
Typical values are at T A = +25°C. (Continued)
VOUT1 1V/DIV
PHASE 10V/DIV
VOUT1 2V/DIV
IL 2A/DIV
IL 1A/DIV
PG_PWM 5V/DIV
PG_PWM
FIGURE 27. OUTPUT SHORT CIRCUIT, 5μs/DIV
FIGURE 28. OUTPUT SHORT CIRCUIT RECOVERY, 200μs/DIV
LDO2 1V/DIV
LDO1 500mV/DIV
ILDO1 1A/DIV
PG_LDO 5V/DI V
FIGURE 29. LDO1 SHORT CIRCUIT AND RECOVERY,
200μs/DIV
ILDO2 1A/DIV
PG_LDO 5V/DIV
FIGURE 30. LDO2 SHORT CIRCUIT AND RECOVERY,
200μs/DIV
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FN6500.1
July 12, 2007