ncp5050 ON Semiconductor, ncp5050 Datasheet - Page 8

• Manufacturer Part Number: ncp5050
• Description: 4.5 W Inductive Boost Led Driver For Flash And Lcd Backlight
• Manufacturer: ON Semiconductor

50.0
45.0
40.0
35.0
30.0
25.0
20.0
15.0
10.0
5.0
0.0
0
Figure 16. Dimming on CTRL: I
10
Duty Cycle R
20
30
DUTY CYCLE (%)
40
BF
50
= 5 W, F = 20 kHz
TYPICAL OPERATING CHARACTERISTICS
60
70
OUT
80
RMS vs.
http://onsemi.com
90
NCP5050
100
8
50.0
45.0
40.0
35.0
30.0
25.0
20.0
15.0
10.0
5.0
0.0
0
Figure 17. Dimming on CTRL: I
10
Duty = 80%
Duty = 50%
Duty = 20%
Frequency R
FREQUENCY (kHz)
20
BF
30
= 5 W
OUT
40
RMS vs.
50