nud4001 ON Semiconductor, nud4001 Datasheet - Page 6

• Manufacturer Part Number: nud4001
• Description: High Current Led Driver
• Manufacturer: ON Semiconductor

12 Vac from:
60 Hz Transformer or
Electronic Transformer
12 Vdc
Figure 10. 12 Vac landscape lighting application circuit using the
D1
MURA105T3
D3
MURA105T3
V
bat
+
−
Figure 9. NUD4001 Device Configuration for PWM
NUD4001 device to drive three 350 mA LEDs.
0
D2
MURA105T3
D4
MURA105T3
PWM
2.0 W, 1/4 W
110 k, 1/4 W
http://onsemi.com
R
R
ext1
ext2
2.0 W, 1/4 W
C1
220 mF
6
Q2
2N2222
0
1
2
3
4
R2
Q1
NUD4001
1
2
3
4
8
7
6
5
Q2
NUD4001
LED1
LXHL−MW1D
LED2
LXHL−MW1D
LED3
LXHL−MW1D
8
7
6
5
LED1
Luxeon Emitter
350 mA
LED2
Luxeon Emitter
350 mA
LED3
Luxeon Emitter
350 mA