TLC5947 Datasheet, PDF (12/27 Pages) Texas Instruments – 24-Channel, 12-Bit PWM LED Driver with

TLC5947
SBVS114A – JULY 2008 – REVISED SEPTEMBER 2008 ................................................................................................................................................. www.ti.com
TYPICAL CHARACTERISTICS (continued)
At V_CC = 3.3 V and T_A = +25°C, unless otherwise noted.
INTERNAL OSCILLATOR FREQUENCY
vs AMBIENT TEMPERATURE
5.0
4.5
4.0
V_CC = +3.3 V
3.5
V_CC = +5 V
3.0
2.5
2.0
1.5
1.0
0.5
0
-40 -20
0
20
35
55
70
85
Ambient Temperature (°C)
Figure 16.
CH1 (2 V/div)
CH2 (2 V/div)
CH3 (2 V/div)
CONSTANT CURRENT OUTPUT
VOLTAGE WAVEFORM
CH1-OUT0
(GSData = 001h)
CH2-OUT0
(GSData = 002h)
I_OLCMax = 30 mA
T_A = +25°C
R_L = 150 W
C_L = 15 pF
VLED = 5.5 V
CH3-OUT23
(GSData = 003h)
Time (100 ns/div)
Figure 17.
12
Submit Documentation Feedback
Product Folder Link(s): TLC5947
Copyright © 2008, Texas Instruments Incorporated