DD311 Datasheet, PDF (3/15 Pages) Silicon Touch Technology Inc. – HIGH CONSTANT CURRENT LED DRIVER

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
Block Diagram
V_bias
V_LED
I_REF
I_LED
REXT
OUT
EN
VSS
1 : 100
GND
Pin Connection
DD311
1 23 45
Pin Description
PIN No.
1
PIN NAME
REXT
2
OUT
3
GND
4
VSS
5
EN
FUNCTION
Reference current input terminal.
Sink constant current outputs (open-drain).
Ground terminal.
Ground terminal.
Output current enable terminal:
VEN = 0V, output current is turned OFF.
VEN > 3.3V, output current is turned ON.
HIGH CONSTANT CURRENT LED DRIVER
Version:PRE.001
Page 2