NCP5050(2007) 查看數據表（PDF） - ON Semiconductor

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NCP5050
(Rev.:2007)

4.5 W Flash White LED Boost Driver

ON Semiconductor 

NCP5050

TYPICAL OPERATING CHARACTERISTICS

50.0

45.0

40.0

35.0

30.0

25.0

20.0

15.0

10.0

5.0

0.0

0 10 20 30 40 50 60 70 80 90 100

DUTY CYCLE (%)

Figure 16. Dimming on CTRL: IOUT RMS vs.

Duty Cycle RBF = 5 W, F = 20 kHz

50.0

45.0

Duty = 80%

40.0

35.0

30.0

Duty = 50%

25.0

20.0

15.0

10.0

Duty = 20%

5.0

0.0

0

10

20

30

40

50

FREQUENCY (kHz)

Figure 17. Dimming on CTRL: IOUT RMS vs.

Frequency RBF = 5 W

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