TLC5970
www.ti.com
SBVS140 –MARCH 2010
TYPICAL CHARACTERISTICS
Need conditions.
REFERENCE RESISTOR vs OUTPUT CURRENT
POWER DISSIPATION vs FREE-AIR TEMPERATURE
100
10
1
6000
5000
4000
3000
2000
1000
0
TLC5970DAP
PowerPAD Soldered
TLC5970RHB
15
7.5
TLC5970DAP
PowerPAD Not Soldered
2.5
3.75
1.25
1.875
1.072
1
1.5
0
10 20 30 40 50 60 70 80 90 100 110 120 130 140 150
IOLC, Output Current (mA)
-40
-20
0
20
40
60
80
100
Free-Air Temperature (°C)
Figure 13.
Figure 14.
OUTPUT CURRENT vs OUTPUT VOLTAGE
DOT CORRECTION LINEARITY
160
140
120
100
80
160
140
120
100
80
IO = 150 mA
TA = +25°C
IO = 150 mA
VCC = +24 V
BC = 7Fh
IO = 120 mA
IO = 100 mA
IO = 60 mA
IO = 100 mA
IO = 80 mA
IO = 60 mA
60
60
IO = 20 mA
IO = 10 mA
TA = +25°C, VCC = +24 V
40
40
IO = 10 mA
DC = 7Fh, BC = 7Fh
20
20
0
0
0
0.5
1.0
1.5
2.0
2.5
3.0
0
16
32
48
64
80
96
112
128
Output Voltage (V)
Dot Correction Data (dec)
Figure 15.
Figure 16.
GLOBAL BRIGHTNESS LINEARITY
CONSTANT-CURRENT OUTPUT VOLTAGE WAVEFORM
160
140
120
100
80
TA = +25°C
CH1 (2 V/div)
CH1-SCKA
(20 MHz)
IO = 150 mA
VCC = +24 V
DC = 7Fh
CH2-OUT0
CH2 (2 V/div)
IO = 100 mA
IO = 60 mA
CH3-OUT1
CH3 (2 V/div)
CH4 (2 V/div)
IOLCMax = 150 mA
60
DCn = BC = 7Fh
GSn = 001h
40
External GS CLK
No Buck Conv Mode
SCKA/SCKB = 20MHz
IO = 10 mA
CH4-OUT2
20
0
Time (12.5 ns/div)
0
16
32
48
64
80
96
112
128
Brightness Control Data (dec)
Figure 17.
Figure 18.
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