LT3496
TYPICAL PERFORMANCE CHARACTERISTICS
(T A = 25°C unless otherwise noted)
2.4
Switch Frequency vs Temperature
f ADJ = 1.2V
120
V CAP-LED Threshold vs CTRL
V CAP = 24V
103
V CAP-LED Threshold vs V CAP
CTRL = 1.2V
2.3
2.2
2.1
2.0
1.9
100
80
60
40
20
102
101
100
99
98
1.8
–50 –25
0
25
50 75 100 125 150
0
0
0.2
0.4
0.6 0.8
1
1.2
97
0
10
20 30
40
50
TEMPERATURE (°C)
V CAP-LED Threshold vs
Temperature
3496 G07
CTRL (V)
PMOS Turn On Waveforms
3496 G08
V CAP (V)
PMOS Turn Off Waveforms
3496 G09
103
102
101
CTRL = 1.2V
V CAP = 24V
5V
PWM
0V
5V
PWM
0V
100
40V
40V
99
98
TG
30V
TG
30V
97
–50 –25
0
25
50 75 100 125 150
V CAP = 40V
200ns/DIV
3496 G11
V CAP = 40V
200ns/DIV
3496 G12
TEMPERATURE (°C)
3496 G10
3496ff
 
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