ncp1239f ON Semiconductor, ncp1239f Datasheet - Page 13

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

0.245
0.244
0.243
0.242
0.241
0.240
0.239
0.238
0.237
0.236
0.235
24.5
24.3
24.1
23.9
23.7
23.5
−25
0
Figure 29. Brown−Out Low Threshold vs.
Temperature @ V
Figure 31. Maximum Duty−Cycle vs.
0
25
TEMPERATURE (°C)
25
Temperature
TEMPERATURE (°C)
50
pin9
TYPICAL PERFORMANCE CHARACTERISTICS
50
= 1 V (NCP1239V)
75
75
100
100
http://onsemi.com
NCP1239
125
125
13
2.51
2.49
2.47
2.45
2.43
2.41
2.39
2.37
2.35
1.35
1.33
1.31
1.29
1.27
1.26
−25
Figure 30. Fault Detect Threshold vs. Temperature
0
Temperature @ V
0
Figure 32. Kdmax Coefficient vs.
25
TEMPERATURE (°C)
25
TEMPERATURE (°C)
50
pin9
50
= 1 V (NCP1239V)
75
75
100
100
125
125