NCP1219
TYPICAL CHARACTERISTICS
1.2
1.1
Rskip = 48.7 kW
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
−50 −25 0 25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 21. Adjustable Skip Threshold vs.
Junction Temperature
10
9
8
7
6
5
4
3
2
1
0
−50 −25 0
25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 23. Soft−Start Period vs. Junction
Temperature
1.2
1.0
0.8
0.6
0.4
0.2
0
1
10
100
1000
10000
RSkip, EXTERNAL SKIP RESISTOR (kW)
Figure 22. Skip Threshold vs. Skip Resistor
140
135
130
125
120
115
110
105
100
95
90
−50 −25 0 25 50 75 100 125 150
TJ, JUNCTION TEMPERATURE (°C)
Figure 24. Overload Timer Period vs. Junction
Temperature
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