NCP1239
TYPICAL PERFORMANCE CHARACTERISTICS
0.508
0.506
180
160
140
BO = 2 V
0.504
0.502
0.500
0.498
0.496
0.494
0.492
120
100
80
BO = 1 V
60
40
−25
0
25
50
75
100
125
−25
0
25
50
75
100
125
TEMPERATURE (°C)
TEMPERATURE (°C)
Figure 23. Pin 9 Current vs. Temperature
(@ Vpin9 = 0.5 V) (NCP1239F)
Figure 24. Over Power Limitation Threshold vs.
Temperature (NCP1239F)
0.920
0.915
0.910
0.905
0.900
0.895
0.890
0.890
0.885
0.880
450
445
440
435
430
425
420
415
410
−25
0
25
50
75
100
125
−25
0
25
50
75
100
125
TEMPERATURE (°C)
TEMPERATURE (°C)
Figure 25. Maximum Current Setpoint vs.
Temperature
Figure 26. Default Feedback Threshold for
Standby Detection vs. Temperature
780
770
760
750
740
730
720
710
700
0.510
0.505
0.500
0.495
0.490
0.485
0.480
−25
0
25
50
75
100
125
−25
0
25
50
75
100
125
TEMPERATURE (°C)
TEMPERATURE (°C)
Figure 27. Default Feedback Level for Normal
Operation Recovery
Figure 28. Brown−Out Upper Threshold vs.
Temperature
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