NCP1252
TYPICAL CHARACTERISTICS
84
83
82
81
80
79
78
14
12
10
8
ROH
ROL
6
4
2
0
77
76
−40 −20
0
20
40
60
80
100 120
−40 −20
0
20
40
60
80
100 120
TEMPERATURE (°C)
TEMPERATURE (°C)
Figure 16. Maximum Duty−cycle, B Version vs.
Figure 17. Drive Sink and Source Resistances
vs. Junction Temperature
Junction Temperature
20
18
16
14
20
18
16
14
12
10
12
10
−40 −20
0
20
40
60
80
100 120
10
15
20
25
30
TEMPERATURE (°C)
SUPPLY VOLTAGE Vcc (V)
Figure 18. Drive Clamping Voltage vs.
Junction Temperature
Figure 19. Drive Clamping Voltage vs. Supply
Voltage
1.0
0.9
0.8
0.7
11
10
0.6
0.5
0.4
0.3
0.2
9
8
0.1
0
−40 −20
0
20
40
60
80
100 120
−40 −20
0
20
40
60
80
100 120
TEMPERATURE (°C)
TEMPERATURE (°C)
Figure 20. Skip Cycle Threshold vs. Junction
Temperature
Figure 21. Soft Start Current vs. Junction
Temperature
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