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FP6745 Datasheet(PDF) 6 Page - Fitipower Integrated Technology Inc.

Part # FP6745
Description  High-Efficiency, 40V White LED Driver with Dimming Control
PDF  11 Pages
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Manufacturer  FITIPOWER [Fitipower Integrated Technology Inc.]
Direct Link  http://www.fitipower.com/en_US/index.asp
Logo FITIPOWER - Fitipower Integrated Technology Inc.

FP6745 Datasheet(HTML) 6 Page - Fitipower Integrated Technology Inc.

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FP6745-1.4-AUG-2013
FP6745
85T
fitipower integrated technology lnc.
Typical Performance Curves (Continued)
0
20
40
60
80
100
0
5
10
15
20
25
V
IN
=5V, 10S1P WLEDs
20KHz
50KHz
100KHz
1KHz
100Hz
PWM Duty Cycle (%)
0.6
0.8
1.0
1.2
1.4
1.6
0
50
100
150
200
V
IN
=3V, 10S1P WLEDs
EN Pin Voltage (V)
Figure10. LED Current vs. Duty Cycle
Figure11. Feedback Voltage vs. EN Voltage
-40
-20
0
20
40
60
80
1100
1200
1300
1400
1500
1600
V
IN
=5V, 3S1P WLEDs
Temperature
(
oC)
-40
-20
0
20
40
60
80
150
160
170
180
190
200
210
220
V
IN
=5V, 3S1P WLEDs
Temperature
(
oC)
Figure12. Operating frequency vs. Temperature.
Figure13. Feedback Voltage vs. Temperature.
3.0
3.5
4.0
4.5
5.0
5.5
6.0
65
70
75
80
85
90
95
I
LED
=19.5mA/string
3S9P
C
IN
=1uF, C
OUT
=1uF
L=10uH (SLF7045T100M1R3, DCR=36mohm)
10S1P
8S1P
6S1P
Input Voltage (V)
Figure14. Efficiency vs. Input Voltage.



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