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| TLC5910 Datasheet, PDF (23/30 Pages) Texas Instruments – LED DRIVER | |||
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PRINCIPLES OF OPERATION
TLC5910
LED DRIVER
SLLS392 â NOVEMBER 1999
constant output current
90
80
70
60
50
40
30
20
10
0
0.1
1.0
10.0
Conditions: VOUT = 1.0V, VIREF = 1.21V
RIREF â kâ¦
IOLC(mâ
A)
W VIREF(V)
RIREF(k )
38
W RIREF (k ) â
47
IOLC(mA)
NOTE: The brightness control and dot corrected value are 100%. The resistor, RIREF, should be located as close to the IREF terminal as possible
to avoid the noise influence.
Figure 11. Current on Constant Current Output vs External Resistor
⢠POST OFFICE BOX 655303 DALLAS, TEXAS 75265
23
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