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TLC5943_17 Datasheet, PDF (3/40 Pages) Texas Instruments – 16-Channel, 16-Bit PWM LED Driver with 7-Bit Global Brightness Control
TLC5943
www.ti.com
RECOMMENDED OPERATING CONDITIONS
At TA= –40°C to +85°C, unless otherwise noted.
PARAMETER
DC Characteristics: VCC = 3 V to 5.5 V
VCC
Supply voltage
VO
Voltage applied to output
VIH
High-level input voltage
VIL
Low-level input voltage
IOH
High-level output current
IOL
Low-level output current
IOLC
Constant output sink current
TA
Operating free-air temperature
TJ
Operating junction
temperature
AC Characteristics: VCC = 3 V to 5.5 V
fCLK (sclk)
Data shift clock frequency
fCLK (gsclk)
Grayscale control clock
frequency
TWH0 / TWL0
TWH1
TSU0
TSU1
TSU2
TSU3
TSU4
TSU5
TSU6
TH0
TH1
TH2
TH3
Pulse duration
Setup time
Hold time
TEST CONDITIONS
OUT0 to OUT15
SOUT
SOUT
XERR
OUT0 to OUT15
SCLK
GSCLK
SCLK, GSCLK
XLAT, BLANK
SIN–SCLK↑
XLAT↑–SCLK↑
BLANK↓–GSCLK↑
BCSEL–SCLK↑
BCSEL–XLAT↑
XLAT↓–SCLK↑
XLAT↑–BLANK↓
SIN–SCLK↑
XLAT↑–SCLK↑
BCSEL–SCLK↓
BCSEL–XLAT↑
SBVS101 – DECEMBER 2007
TLC5943
MIN
NOM
MAX UNIT
3.0
0.7 × VCC
GND
–40
–40
5.5
V
17
V
VCC
V
0.3 × VCC
V
–1 mA
1 mA
5 mA
50 mA
+85
°C
+125
°C
30 MHz
33 MHz
10
ns
30
ns
6
ns
100
ns
10
ns
10
ns
30
ns
15
ns
20
ns
3
ns
30
ns
10
ns
100
ns
DISSIPATION RATINGS
PACKAGE
HTSSOP-28 with
PowerPAD soldered(1)
HTSSOP-28 with
PowerPAD not soldered(2)
QFN-32 (3)
OPERATING FACTOR
ABOVE TA = +25°C
31.67 mW/°C
16.21 mW/°C
27.86 mW/°C
TA < +25°C
POWER RATING
3958 mW
2026 mW
3482 mW
TA = +70°C
POWER RATING
2533 mW
1296 mW
2228 mW
TA = +85°C
POWER RATING
2058 mW
1053 mW
1811 mW
(1) With PowerPAD soldered onto copper area on printed circuit board (PCB); 2 oz. copper. For more information, see SLMA002 (available
for download at www.ti.com).
(2) With PowerPAD not soldered onto copper area on PCB.
(3) The package thermal impedance is calculated in accordance with JESD51-5.
Copyright © 2007, Texas Instruments Incorporated
Product Folder Link(s): TLC5943
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