Typical Performance Curves (Continued)
LX = 10V/DIV
ISL8560
VOUT RIPPLE = 50mV/DIV
RTCT = 2V/DIV
IL = 1A/DIV
LX = 10V/DIV
VOUT RIPPLE = 50mV/DIV
IL = 1A/DIV
FIGURE 22. STEADY STATE OPERATION WITH FULL LOAD
EN = 5V/DIV
VOUT = 2V/DIV
SS = 2V/DIV
IL = 0.5A/DIV
FIGURE 24. SOFT-START AT NO LOAD
EN = 5V/DIV
VOUT = 2V/DIV
IL = 1A/DIV
SS = 2V/DIV
FIGURE 26. SOFT-START AT FULL LOAD
FIGURE 23. LOAD TRANSIENT
PRE-BIASED WITH 4V
EN = 5V/DIV
VOUT = 1V/DIV
SS = 2V/DIV
IL = 0.5A/DIV
FIGURE 25. SOFT-START WITH PRE-BIASED
LX = 10V/DIV
IL = 2A/DIV
VOUT = 2V/DIV
PGOOD = 5V/DIV
FIGURE 27. OUTPUT SHORT CIRCUIT
10
FN9244.7
September 19, 2008