ncp1239f ON Semiconductor, ncp1239f Datasheet - Page 12

• Manufacturer Part Number: ncp1239f
• Description: Lowstandby High Performance Pwm Controller
• Manufacturer: ON Semiconductor

180
160
140
120
100
0.920
0.915
0.910
0.905
0.900
0.895
0.890
0.890
0.885
0.880
780
770
760
750
740
730
720
710
700
80
60
40
−25
−25
−25
Figure 27. Default Feedback Level for Normal
Figure 25. Maximum Current Setpoint vs.
Figure 23. Pin 9 Current vs. Temperature
0
0
0
(@ V
Operation Recovery
25
TEMPERATURE (°C)
pin9
TEMPERATURE (°C)
25
TEMPERATURE (°C)
25
Temperature
= 0.5 V) (NCP1239F)
BO = 2 V
BO = 1 V
50
50
50
TYPICAL PERFORMANCE CHARACTERISTICS
75
75
75
100
100
100
http://onsemi.com
NCP1239
125
125
125
12
0.510
0.505
0.500
0.495
0.490
0.485
0.480
0.508
0.506
0.504
0.502
0.500
0.498
0.496
0.494
0.492
450
445
440
435
430
425
420
415
410
−25
−25
−25
Figure 24. Over Power Limitation Threshold vs.
Figure 28. Brown−Out Upper Threshold vs.
Figure 26. Default Feedback Threshold for
Standby Detection vs. Temperature
0
0
0
Temperature (NCP1239F)
25
TEMPERATURE (°C)
25
TEMPERATURE (°C)
25
TEMPERATURE (°C)
Temperature
50
50
50
75
75
75
100
100
100
125
125
125