NUD4001 查看數據表（PDF） - ON Semiconductor
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NUD4001 Datasheet PDF : 8 Pages
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Vbat +
12 Vdc −
NUD4001
Rext1
2.0 W, 1/4 W
Rext2
110 k, 1/4 W
Q1
1
8
2
7
3 NUD4001 6
4
5
LED1
LXHL−MW1D
Q2
2N2222
LED2
LXHL−MW1D
PWM
LED3
LXHL−MW1D
0
Figure 9. NUD4001 Device Configuration for PWM
D1
MURA105T3
D2
MURA105T3
R2
2.0 W, 1/4 W
12 Vac from:
60 Hz Transformer or
Electronic Transformer
C1
220 mF
D3
MURA105T3
D4
MURA105T3
Q2
1
8
2
7
3 NUD4001 6
4
5
LED1
Luxeon Emitter
350 mA
LED2
Luxeon Emitter
350 mA
LED3
Luxeon Emitter
350 mA
0
Figure 10. 12 Vac landscape lighting application circuit using the
NUD4001 device to drive three 350 mA LEDs.
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