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ON Semiconductor NCP1215 Manual page 6

Low cost variable off time switched mode power supply controller

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10.0
9.9
9.8
9.7
9.6
9.5
9.4
−25
0
25
T
, JUNCTION TEMPERATURE (°C)
J
Figure 9. CT pin Source Current vs. Junction
Temperature
120
100
80
60
40
20
0
−25
0
25
T
, JUNCTION TEMPERATURE (°C)
J
Figure 11. Drive Sink and Source Resistance
vs. Junction Temperature
NCP1215
50
75
100
125
R
source
R
sink
50
75
100
125
http://onsemi.com
16
14
12
10
8
6
−25
0
25
T
, JUNCTION TEMPERATURE (°C)
J
Figure 10. CT pin Threshold vs. Junction
60.0
50.0
40.0
30.0
20.0
10.0
0.0
0
25
I
, FEEDBACK CURRENT (mA)
fb
Figure 12. Current Sense Source Current vs.
Feedback Current
6
50
75
100
Temperature
T
= 25°C
J
50
75
100
125
125

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