TLC5946_16 Datasheet, PDF (13/41 Pages) Texas Instruments – 16-Channel, 12-Bit PWM LED Driver with 6-Bit Dot Correction

TLC5946
www.ti.com .......................................................................................................................................................... SLVS824B – MARCH 2008 – REVISED JUNE 2008
TYPICAL CHARACTERISTICS (continued)
At V_CC = 3.3 V and T_A = +25°C, unless otherwise noted.
DOT CORRECTION LINEARITY
(ABS Value)
45
T_A
=
+25 C
°
40
I_OLCMax = 40 mA
35
30
25
I_OLCMax = 20 mA
20
15
10
I_OLCMax = 5 mA
5
0
0
10
20
30
40
50
60
70
Dot Correction Data (dec)
Figure 20.
DOT CORRECTION LINEARITY
(ABS Value)
45
I_OLCMax = 40 mA
40
35
30
25
20
15
10
5
0
0
T_A
=
40 C
-°
T_A
=
+25 C
°
T_A
=
+85 C
°
10
20
30
40
50
60
70
Dot Correction Data (dec)
Figure 21.
CONSTANT CURRENT OUTPUT
VOLTAGE WAVEFORM
CH1 (2 V/div)
CH1-GSCLK
(33 MHz)
CH2 (2 V/div)
CH2-OUT0
(GSData = 001h)
CH3 (2 V/div)
I_OLCMax = 40 mA, DCn = 3Fh
T_A = +25°C,R_L0 = 100 W
C_L0 = 15 pF, VLED = 5 V
CH3-OUT15
(GSData = 001h)
Time (25 ns/div)
Figure 22.
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