NUD4001

http://onsemi.com

5

TYPICAL APPLICATION CIRCUITS

Figure 7. Stop light automotive circuit using the NUD4001 device

to drive one high current LED (550 mA).

13.5 Vdc

+

−

1

2

3

4

8

7

6

5

1

2

3

4

8

7

6

5

D1

1N4004

R1

2.7 W, 1/4 W

R2

32 W, 5.0 W

R4

32 W, 5.0 W

R3

2.7 W, 1/4 W

R3

6.7 W, 4.0 W

LED1

Luxeon

Emitter

550 mA

NUD4001

NUD4001

Q1

Q2

0

Figure 8. Dome light automotive circuit using the NUD4001 device

to drive one LED (220 mA).

13.5 Vdc

+

−

1

2

3

4

8

7

6

5

1

2

3

4

8

7

6

5

D1

1N4004

R1

7.0 W, 1/4 W

R2

7.0 W, 1/4 W

R3

27 W, 2.0 W

LED1

Luxeon

Emitter

220 mA

NUD4001

NUD4001

Q1

Q2

0