TLC5911 Datasheet, PDF (23/30 Pages) Texas Instruments – LED DRIVER

TLC5911
LED DRIVER
PRINCIPLES OF OPERATION
SLLS402 – DECEMBER 1999
90
80
70
60
50
40
30
20
10
0
0.1
1.0
10.0
Conditions : VO = 1 V, V(IREF) = 1.2 V
R(IREF) (kΩ)
^ _W IOL(C) (mA)
V(IREF)(V)
R(IREF) (k )
38
W ^ R(IREF) (k )
46
IOL(C) (mA)
NOTE: The brightness control and dot corrected value are set at 100%.
The resistor, R(IREF), should be located as close as possible to the IREF terminal to avoid noise influence.
Figure 11. Current on Constant Current Output vs External Resistor
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