LT3492IUFD(RevA) Ver la hoja de datos (PDF) - Linear Technology
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LT3492IUFD Datasheet PDF : 22 Pages
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LT3492
TYPICAL PERFORMANCE CHARACTERISTICS (TA = 25°C unless otherwise noted)
Switch Frequency vs Temperature
1.4
FADJ = 0.5V
1.3
VISP-VISN Threshold vs CTRL
120
VISP = 24V
100
80
1.2
60
40
1.1
20
1.0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3492 G07
0
0 0.2 0.4 0.6 0.8
CTRL (V)
1 1.2
3492 G08
VISP-VISN Threshold vs
Temperature
103
CTRL = 1.2V
VISP = 24V
102
101
100
99
98
PMOS Turn On Waveforms
5V
PWM
0V
60V
TG
50V
97
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3492 G10
VISP = 60V
QG FET = 6nC
200ns/DIV
3492 G11
VISP-VISN Threshold vs VISP
103
CTRL = 1.2V
102
101
100
99
98
97
0
10 20 30 40 50 60
VISP (V)
3492 G09
PMOS Turn Off Waveforms
5V
PWM
0V
60V
TG
50V
VISP = 60V
QG FET = 6nC
200ns/DIV
3492 G12
3492fa
6
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