NUD4011DR2G 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

NUD4011DR2G

Low Current LED Driver

ON Semiconductor 

NUD4011

TYPICAL APPLICATION CIRCUITS (continued)

Switch

Vin 1

NUD4011

35 W, 1/4 W Boost 2

Rext 3

Current

Set Point

+

120 Vdc

−

PWM

4

Rshunt

80 k, 1/4 W

1.0 k

+

PWM /

− ENABLE

Q1

200 V

8 Iout

Iout

7

6 Iout

Iout

5

LED1

LED2

LED30

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

Vin 1

NUD4011

35 W, 1/4 W Boost 2

Rext 3

Current

Set Point

200 V

Electrolytic

Cap

PWM

4

Rshunt

80 k, 1/4 W

1.0 k

+

PWM /

− ENABLE

Q1

200 V

8 Iout

7 Iout

6 Iout

Iout

5

LED1

LED2

LED30

Figure 10. 120 Vac Application with PWM / Enable Function, 30 LEDs in Series (3.0 V, 20 mA)

http://onsemi.com

7

Share Link: