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NUD4011 データシートの表示(PDF) - ON Semiconductor
部品番号
コンポーネント説明
メーカー
NUD4011
Low Current LED Driver
ON Semiconductor
NUD4011 Datasheet PDF : 9 Pages
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9
NUD4011
TYPICAL APPLICATION CIRCUITS (continued)
Switch
V
in
1
NUD4011
35
W
, 1/4 W
Boost 2
R
ext
3
Current
Set Point
+
120 Vdc
−
PWM
4
R
shunt
80 k, 1/4 W
1.0 k
+
PWM /
−
ENABLE
Q1
200 V
8
I
out
I
out
7
6
I
out
I
out
5
L
ED1
L
ED2
L
ED30
Figure 9. 120 Vdc Application with PWM / Enable Function, 30 LEDs in Series (3.0 V, 20 mA)
Switch
Full
Bridge
Rectifier
1
2
3
+
−
120 Vac 60 Hz
VARISTOR
4
200 V
V
in
1
NUD4011
35
W
, 1/4 W
Boost 2
R
ext
3
Current
Set Point
200 V
Electrolytic
Cap
PWM
4
R
shunt
80 k, 1/4 W
1.0 k
+
PWM /
−
ENABLE
Q1
200 V
8
I
out
7
I
out
6
I
out
I
out
5
L
ED1
L
ED2
L
ED30
Figure 10. 120 Vac Application with PWM / Enable Function, 30 LEDs in Series (3.0 V, 20 mA)
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