NCP1336A Datasheet, PDF (14/26 Pages) ON Semiconductor – Quasi-Resonant Current Mode Controller for High Power Universal Off-Line Supplies

2 ^feedback 3 ^vdrain 4 ^vct
2.20
1.80
1.40
1.00
600m
NCP1336A/B
V_FB
2
300
200
100
0
−100
V_drain
3
4.00
3.00
2.00
1.00
0
6.41m
V_Ct
4
6.43m
6.45m
time in seconds
6.47m
Figure 10. Zoom 1: 1st to 2nd Valley Transition
6.49m
2 ^feedback 3 ^vdrain 4 ^vct
2.20
1.80
1.40
1.00
600m
V_FB
2
300
200
100
0
−100
V_drain
3
4.00
3.00
2.00
1.00
0
7.135m
V_Ct
4
7.153m
7.170m
time in seconds
7.188m
7.205m
Figure 11. Zoom 2: 2nd to 3rd Valley Transition
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