點晶科技股份有限公司
SILICON TOUCH TECHNOLOGY INC.
新竹市科學園區展業一路9號7樓之1
9-7F-1, Prosperity RoadⅠ, Hsin-Chu, Taiwan, R.O.C.
DD311
Tel：886-3-5645656
Fax：886-3-5645626
VLED
Vbias
DD311
ILED
1
2
3
4
5
EN
Output Current as a Function of Vbias
1100
1000
900
800
700
600
500
400
300
200
100
0
VEN = 5V
Vout = 1V
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
Vbias (volt)
Output Current as a Function of Output Voltage
1.2
1.0
0.8
0.6
0.4
0.2
0.0
Iout = 1A
Iout=750m
Iout=500m
Iout=350m
Iout=100m
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
2.8
3.0
Vout (volt)
HIGH CONSTANT CURRENT LED DRIVER
Version:A.002
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