ISL8002, ISL8002A, ISL80019, ISL80019A
Typical Performance Curves (Continued)
LX 5V/DIV
VOUT 1V/DIV
VEN 1V/DIV
LX 5V/DIV
VOUT 1V/DIV
VEN 2V/DIV
PG 5V/DIV
1ms/DIV
FIGURE 21. START-UP AT NO LOAD
FSW = 2MHz, VIN = 5V, MODE = PFM, TA = +25°C
PG 5V/DIV
1ms/DIV
FIGURE 22. START-UP AT NO LOAD
FSW = 2MHz, VIN = 5V, MODE = PWM, TA = +25°C
LX 5V/DIV
VOUT 1V/DIV
LX 5V/DIV
VOUT 1V/DIV
VEN 2V/DIV
PG 5V/DIV
1ms/DIV
FIGURE 23. SHUTDOWN AT NO LOAD
FSW = 2MHz, VIN = 5V, MODE = PFM, TA = +25°C
LX 5V/DIV
VOUT 1V/DIV
VEN 2V/DIV
VEN 2V/DIV
PG 5V/DIV
1ms/DIV
FIGURE 24. SHUTDOWN AT NO LOAD
FSW = 2MHz, VIN = 5V, MODE = PWM, TA = +25°C
LX 5V/DIV
VOUT 1V/DIV
PG 5V/DIV
1ms/DIV
FIGURE 25. START-UP AT 2A LOAD
FSW = 2MHz, VIN = 5V, MODE = PWM, TA = +25°C
FN7888 Rev 4.00
July 31, 2014
VEN 2V/DIV
PG 5V/DIV
1ms/DIV
FIGURE 26. SHUTDOWN AT 2A LOAD
FSW = 2MHz, VIN = 5V, MODE = PWM, TA = +25°C
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