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.
Tel:886-3-5645656 Fax:886-3-5645626
DD311
1100
1000
900
800
700
600
500
400
300
200
100
0
100
Output Current as a Function of REXT value
Vbias=36V
Vbias=24V
Vbias=18V
Vbias=12V
Vbias=5V
1000
REXT (ohm)
VLED
Vbias
10000
ILED
IREF
REXT
DD311
1 23 45
VREXT
EN
100000
HIGH CONSTANT CURRENT LED DRIVER
Version:A.002
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