TLC5923_16 Datasheet, PDF (16/28 Pages) Texas Instruments – 16-CHANNEL LED DRIVER WITH DOT CORRECTION

TLC5923
SLVS550B – DECEMBER 2004 – REVISED JANUARY 2013
TYPICAL CHARACTERISTICS
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100 k
REFERENCE RESISTOR
vs
OUTPUT CURRENT
49.6 k
V_Outn = 1 V
DC = 127
10 k
9.92 k
4.96 k
2.48 k
1.65 k
1.24 k
1k
992 ₈₂₇
709
100
0
0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08
I_OLC − Output Current − A
Figure 15.
POWER DISSIPATION
vs
FREE-AIR TEMPERATURE
6k
100
90
80
70
60
50
40
30
20
10
0
0
70
OUTPUT CURRENT
vs
REQUIRED OUTPUTn VOLTAGE
I_MAX = 60 mA
I_MAX = 40 mA
I_MAX = 20 mA
0.50 1
1.50 2
2.50 3
V_O − Required Output Voltage − V
Figure 16.
SUPPLY CURRENT
vs
FREE-AIR TEMPERATURE
5k
TLC5923DAP
PowerPAD Soldered
60
50
4k
TLC5923RHB
40
3k
30
TLC5923DAP
2 k PowerPAD Unsoldered
20
1k
10
0
−40
−20 0 20 40 60 80
T_A − Free-Air Temperature − °C
Figure 17.
0
100
−50 −30 −10 10 30 50 70 90 110 130 150
T_A − Free-Air Temperature − °C
A. Data Transfer = 30 MHz / All Outputs, ON/V_O = 1 V / R_IREF = 600
Ω / AV_DD = 5 V
Figure 18.
Power Rating – Free-Air Temperature
Figure 17 shows total power dissipation. Figure 18 shows supply current versus free-air temperature.
16
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