NCP1654
TYPICAL CHARACTERISTICS
11.4
11.2
11.0
10.8
10.6
10.4
10.2
10.0
9.8
9.6
−50 −25
0
25 50 75 100 125
TJ, JUNCTION TEMPERATURE (°C)
Figure 25. VCC Start−Up Threshold (VCC
Rising) vs. Temperature
2.0
9.7
9.5
9.3
9.1
8.9
8.7
8.5
8.3
−50 −25
0
25
50
75 100 125
TJ, JUNCTION TEMPERATURE (°C)
Figure 26. VCC Disable Voltage after Turn−On
(VCC Falling) vs. Temperature
50
1.8
40
1.6
30
1.4
20
1.2
1.0
−50 −25
0
25 50 75 100 125
TJ, JUNCTION TEMPERATURE (°C)
Figure 27. VCC UVLO Hysteresis vs.
Temperature
10
0
−50 −25
0
25
50
75 100 125
TJ, JUNCTION TEMPERATURE (°C)
Figure 28. Supply Current in Startup Mode vs.
Temperature
400
4
350
3
ICC2, No Load, Switching
ICC1, No Load, No Switching
300
2
250
200
−50 −25
0
25 50 75 100 125
TJ, JUNCTION TEMPERATURE (°C)
Figure 29. Supply Current in Shutdown Mode
vs. Temperature
1
0
−50 −25
0
25 50 75 100 125
TJ, JUNCTION TEMPERATURE (°C)
Figure 30. Operating Supply Current vs.
Temperature
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