TLC59283 Datasheet, PDF (13/25 Pages) Texas Instruments – 16-Channel, Constant-Current LED Driver with Pre-Charge FET

TLC59283
www.ti.com
SBVS199A – JUNE 2012 – REVISED JUNE 2012
TYPICAL CHARACTERISTICS (continued)
At T_A = +25°C and V_CC = 3.3 V, unless otherwise noted.
SUPPLY CURRENT vs OUTPUT CURRENT
12
VCC = 5.0 V
11
VCC = 3.3 V
SUPPLY CURRENT vs AMBIENT TEMPERATURE
12
VCC = 3.3 V
11
VCC = 5.0 V
10
9
8
7
6
5
4
0
SIN = 17.5 MHz
SCLK = 35 MHz
All Outputs On
T_A = +25°C
10
20
30
40
50
Output Current (mA)
G018
Figure 18.
10
9
8
7
6
5
−40 −20
SIN = 17.5 MHz
SCLK = 35 MHz
All Outputs On
I_O = 35 mA
0
20
40
60
Ambient Temperature (°C)
Figure 19.
80 100
G008
Channel 1
(5 V/div)
CONSTANT-CURRENT OUTPUT
VOLTAGE WAVEFORM
CH1-BLANK
(50 ns)
Channel 2
(2 V/div)
Channel 3
(2 V/div)
Channel 4
(2 V/div)
I_O = 35 mA
T_A = +25°C
R_L = 110 W
C_L = 15 pF
VCC = 5 V
V_LED = 5 V
CH2-OUT0
(BLANK = 50 ns)
CH3-OUT1
(BLANK = 50 ns)
CH4-OUT2
(BLANK = 50 ns)
Time (20 ns/div)
G021
Figure 20.
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