Datasheet

NCL30081
http://onsemi.com
22
+
−
Vbulk
VIN
LLine
25−ms blanking time
HLine
2.4 V if LLine low
2.3 V if LLine high
Figure 49. Line Range Detection
Table 5. VALLEY SELECTION
I
out
value at which the
controller changes valley
(I
out
decreasing)
VIN pin voltage for valley change
I
out
value at which the
controller changes valley
(I
out
increasing)
V
VIN
decreases
0 −LL− 2.3 V −HL− 5 V
I
out
decreases
100%
1
st
2
nd
100%
I
out
increases
75% 78%
2
nd
3
rd
50% 53%
4
th
5
th
30% 33%
7
th
8
th
15% 20%
11
th
12
th
6% 8%
13
th
15
th
0% 0%
0 −LL− 2.4 V −HL− 5 V
V
VIN
increases
VIN pin voltage for valley change