ncp1251 ON Semiconductor, ncp1251 Datasheet - Page 11

• Manufacturer Part Number: ncp1251
• Description: Ncp1251 Current-mode Pwm Controller For Off-line Power Supplies
• Manufacturer: ON Semiconductor

0.41
0.39
0.37
0.35
0.33
0.31
0.29
390
340
290
240
190
160
150
140
130
120
100
110
90
−50
−50
−50
−25
−25
−25
0
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
25
Figure 33.
Figure 35.
Figure 37.
50
50
50
75
75
75
TYPICAL CHARACTERISTICS
100
100
100
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125
125
125
11
390
340
290
240
190
1.7
1.5
1.3
1.1
0.9
0.7
3.5
2.5
1.5
0.5
3
2
1
0
−50
−50
0
−25
−25
Figure 38. Controller Consumption vs.
0.5
ADAPTER OUTPUT CURRENT (A)
Adapter Output Current
0
0
1
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
Figure 34.
Figure 36.
1.5
50
50
2
75
75
2.5
F
SW
100
100
= 65 kHz
3
125
125
3.5