ISL8540
Typical Performance Curves Circuit of Figure 2, VIN = 24V, EN = 0V, FS = 500KHz, VOUT = 5V, unless otherwise noted.
Typical values are at TA = +25°C. (Continued)
EN = 5V/DIV
EN = 5V/DIV
VOUT = 2V/DIV
PRE-BIASED WITH 4V
VOUT = 1V/DIV
SS = 2V/DIV
IL = 0.5A/DIV
SS = 2V/DIV
IL = 0.5A/DIV
FIGURE 22. SOFT-START AT NO LOAD
FIGURE 23. SOFT-START WITH PRE-BIASED
EN = 5V/DIV
VOUT = 2V/DIV
IL = 1A/DIV
SS = 2V/DIV
FIGURE 24. SOFT-START AT FULL LOAD
LX = 10V/DIV
IL = 2A/DIV
VOUT = 2V/DIV
PGOOD = 5V/DIV
FIGURE 25. OUTPUT SHORT CIRCUIT
LX = 10V/DIV
VOUT = 2V/DIV
IL = 2A/DIV
PGOOD = 5V/DIV
FIGURE 26. OUTPUT SHORT CIRCUIT
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FN6495.5
September 9, 2008