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WD3171 Datasheet(PDF) 6 Page - Will Semiconductor Ltd.

Part # WD3171
Description  38V Step-Up Backlight White LED Driver with Flash Mode
PDF  18 Pages
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Manufacturer  WILLSEMI [Will Semiconductor Ltd.]
Direct Link  http://www.willsemi.com/index.php?siteid=2
Logo WILLSEMI - Will Semiconductor Ltd.

WD3171 Datasheet(HTML) 6 Page - Will Semiconductor Ltd.

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WD3171
Will Semiconductor Ltd.
6
2018/06 - Rev. 1.1
LED Current vs. Duty Cycle
LED Current vs. Duty Cycle
LED Current vs. Input Voltage
LED Current vs. Temperature
LED Current vs. Input Voltage
LED Current vs. Temperature
2.5
3.0
3.5
4.0
4.5
5.0
19.0
19.5
20.0
20.5
21.0
Input Voltage (V)
ENF=0, EN=1, 10s LEDs
-50
-25
0
25
50
75
100
19.0
19.5
20.0
20.5
21.0
Temperature (
oC)
ENF=0,EN=1,10s LEDs
V
IN
=3.0V
V
IN
=3.6V
V
IN
=4.2V
3.0
3.5
4.0
4.5
5.0
57
58
59
60
61
62
63
Input Voltage (V)
ENF=1, EN=0, 10s LEDs
0
2
4
6
8
10
0.0
0.5
1.0
1.5
2.0
2.5
10 Samples
Duty (%)
10s LEDs 25KHz
V
IN
=3.6V
-50
-25
0
25
50
75
100
57
58
59
60
61
62
63
Temperature (
oC)
ENF=1,EN=0,10s LEDs
V
IN
=3.6V
V
IN
=4.2V
0.0
0.2
0.4
0.6
0.8
1.0
0
50
100
150
200
250
10 Samples
Duty (%)
10s LEDs 25KHz
V
IN
=3.6V



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