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| TLC59281 Datasheet, PDF (10/19 Pages) Texas Instruments – 16-Channel, Constant-Current LED Driver | |||
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TLC59281
SBVS139 â JANUARY 2010
www.ti.com
SIN
DATA
0A
TSU0
DATA
15B
DATA DATA
14B 13B
TH0
DATA
12B
DATA
11B
TWH0
SCLK
1 234 5
DATA DATA DATA
3B
2B
1B
DATA
0B
TH1
13 14 15 16
LAT
Shift Register
LSB Data (Internal)
DATA
0A
RSV
DATA DATA DATA DATA
15B 14B 13B 12B
Shift Register
LSB+1 Data (Internal)
DATA
1A
RSV
RSV
DATA
15B
DATA DATA
14B 13B
DATA DATA DATA DATA
3B
2B
1B 0B
DATA DATA DATA DATA
4B
3B
2B
1B
TSU1
DATA DATA DATA DATA DATA DATA
15C 14C 13C 12C 11C 10C
TWH1
1 234 56
TWL0
RSV 0A
RSV 1A
DATA DATA DATA DATA DATA
15C 14C 13C 12C 11C
RSV DATA DATA DATA DATA
Shift Register
MSB-1 Data (Internal)
DATA
14A
RSV
RSV RSV RSV RSV
Shift Register
MSB Data (Internal)
DATA
15A
RSV
RSV RSV RSV RSV
On/Off Control
Latch Data (Internal)
RSV
RSV
DATA DATA
15B 14B
RSV
RSV
RSV
DATA
15B
Previous On/Off Latch Data
SOUT
BLANK
DATA
15A
RSV
RSV RSV RSV
tD0
tR0/tF0
RSV
RSV
RSV
DATA
15B
OFF
OUTn(1) ON
OFF
OUTn(2) ON
OFF
OUTn(3) ON
OFF
OUTn(4) ON
tD1
ON
tD1
ON
tF1
RSV 14A
RSV RSV RSV RSV RSV
RSV 15A
RSV RSV RSV RSV RSV
Latest On/Off Latch Data
RSV 15A
RSV RSV RSV RSV RSV
tWH2
tD2
OFF
tWL2
tD2
ON
OFF
tOUTON
tD1
ON
OFF
OFF
tR1
(1) On/off latched data are '1'.
(2) On/off latched data are changed from '1' to '0' at the second LAT signal.
(3) On/off latched data are changed from '0' to '1' at the second LAT signal.
(4) On/off latched data are '0'.
Figure 9. Timing Diagram
10
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