Data Sheet

ISL85410
13
FN8375.5
July 24, 2014
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FIGURE 35. LOAD TRANSIENT, PWM
FIGURE 36. PFM TO PWM TRANSITION
FIGURE 37. OVERCURRENT PROTECTION, PWM
FIGURE 38. OVERCURRENT PROTECTION HICCUP, PWM
FIGURE 39. SYNC AT 1A LOAD, PWM
FIGURE 40. NEGATIVE CURRENT LIMIT, PWM
Measurements f
SW
= 500kHz, V
IN
= 24V, V
OUT
= 3.3V, T
A
= +25°C (Continued)
I
L
1A/DIV
200µs/DIV
V
OUT
100mV/DIV
LX 20V/DIV
I
L
1A/DIV
V
OUT
20mV/DIV
10µs/DIV
LX 20V/DIV
V
OUT
2V/DIV
I
L
1A/DIV
PG 2V/DIV
50µs/DIV
LX 20V/DIV
V
OUT
2V/DIV
I
L
1A/DIV
PG 2V/DIV
10ms/DIV
LX 20V/DIV
SYNC 2V/DIV
200ns/DIV
LX 20V/DIV
V
OUT
5V/DIV
I
L
1A/DIV
PG 2V/DIV
20µs/DIV