TLC5921_17 Datasheet, PDF (11/18 Pages) Texas Instruments – LED DRIVER

constant output current
PRINCIPLES OF OPERATION
100000
66000
TLC5921
LED DRIVER
SLLS390 – SEPTEMBER 1999
10000
1000
13200
6000
2750
1800
1300
1040
860 ₇₃₀
640
100
0
10
20
30
40
50
60
70
80
Ilkg – Input Leakage Current – (mA)
Conditions : VO = 1 V, Vref = 1.3 V
NOTE: The resistor, R(IREF), should be located as close to IREF terminal as possible to avoid the noise influence.
Figure 5. Current on Constant Current Output vs External Resistor
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