SP1820 Datasheet, PDF (4/7 Pages) SYNC POWER Crop. – Four Channels Constant Current LED Driver

SP1820
Four Channels Constant Current LED Driver
PERFORMANCE CHARACTERISTICS (T_A=25℃, unless otherwise specified.)
ILED vs. VLED
20
18
16
14
12
10
8
6
4
2
0
0
0.2
0.4
0.6
0.8
1
VLE D (V)
ILED vs. Power Supply
20
18
16
14
12
10
8
6
4
2
0
3.6 3.8 4 4.2 4.4 4.6 4.8 5
P owe r S upply(V)
Quiescent Current vs. Power Supply
125
120
115
110
105
100
3.6 3.8 4 4.2 4.4 4.6 4.8 5
P owe r S upply(V)
LED Current vs. Set Resister
30
25
20
15
10
5
0
8
12
16
20
24
28
32
Rs e t(KΩ)
2009/04/20 Ver.2
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