Data Sheet

ISL85410
11
FN8375.5
July 24, 2014
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FIGURE 23. START-UP AT 1A, PWM
FIGURE 24. SHUTDOWN AT 1A, PWM
FIGURE 25. START-UP AT 1A, PFM
FIGURE 26. SHUTDOWN AT 1A, PFM
FIGURE 27. JITTER AT NO LOAD, PWM FIGURE 28. JITTER AT 1A LOAD, PWM
Measurements f
SW
= 500kHz, V
IN
= 24V, V
OUT
= 3.3V, T
A
= +25°C (Continued)
LX 20V/DIV
V
OUT
2V/DIV
I
L
500mA/DIV
PG 2V/DIV
5ms/DIV
LX 20V/DIV
V
OUT
2V/DIV
I
L
500mA/DIV
PG 2V/DIV
200µs/DIV
LX 20V/DIV
V
OUT
2V/DIV
I
L
500mA/DIV
PG 2V/DIV
5ms/DIV
LX 20V/DIV
V
OUT
2V/DIV
I
L
500mA/DIV
PG 2V/DIV
200µs/DIV
LX 5V/DIV
5ns/DIV
LX 5V/DIV
5ns/DIV