NCP1215A ON Semiconductor, NCP1215A Datasheet - Page 6

• Manufacturer Part Number: NCP1215A
• Description: Low Cost Variable OFF Time Switched Mode Power Supply Controller
• Manufacturer: ON Semiconductor

10.0
9.9
9.8
9.7
9.6
9.5
9.4
120
100
80
60
40
20
−25
0
−25
Figure 9. CT Pin Source Current vs. Junction
Figure 11. Drive Sink and Source Resistance
0
T
0
T
J
, JUNCTION TEMPERATURE (°C)
J
, JUNCTION TEMPERATURE (°C)
vs. Junction Temperature
25
25
Temperature
R
50
source
R
50
sink
75
75
100
100
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NCP1215A
125
125
6
60.0
50.0
40.0
30.0
20.0
10.0
16
14
12
10
0.0
8
6
−25
0
Figure 12. Current Sense Source Current vs.
Figure 10. CT Pin Threshold vs. Junction
0
T
25
J
, JUNCTION TEMPERATURE (°C)
I
fb
, FEEDBACK CURRENT (mA)
25
Feedback Current
Temperature
50
50
75
75
T
J
100
= 25°C
100
125
125