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TLC5929DBQR датащи(PDF) 4 Page - Texas Instruments

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номер детали TLC5929DBQR
подробное описание детали  16-Channel, Constant-Current LED Driver with 7-Bit Global Brightness Control, Power-Save Mode
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производитель  TI1 [Texas Instruments]
домашняя страница  http://www.ti.com
Logo TI1 - Texas Instruments

TLC5929DBQR датащи(HTML) 4 Page - Texas Instruments

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background image
D
(%)= 100
´
-
1
I
OLC( )
n
(I
+I
+...+I
+I
)
OLC(0)
OLC(1)
OLC(15)
OLC(14)
16
D
(%)= 100
´
IdealOutputCurrent
-
(IdealOutputCurrent)
(I
+I
+...I
+I
)
OLC(0)
OLC(1)
OLC(14)
OLC(15)
16
I
=54.8
´
OLC(IDEAL)
1.205
R
IREF
.
TLC5929
SBVS159
– APRIL 2011
www.ti.com
ELECTRICAL CHARACTERISTICS
At VCC = 3 V to 5.5 V and TA = –40°C to +85°C. Typical values at VCC = 3.3 V and TA = +25°C, unless otherwise noted.
TLC5929
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOH
High-level output voltage
IOH = –2 mA at SOUT
VCC – 0.4
VCC
V
VOL
Low-level output voltage
IOL = 2 mA at SOUT
0.4
V
VLOD
LED open detection threshold
All OUTn = on
0.25
0.30
0.35
V
VLSD0
All OUTn = on, detection voltage code = 0h
0.32
× VCC
0.35
× VCC
0.38
× VCC
V
VLSD1
All OUTn = on, detection voltage code = 1h
0.42
× VCC
0.45
× VCC
0.48
× VCC
V
LED short detection threshold
VLSD2
All OUTn = on, detection voltage code = 2h
0.52
× VCC
0.55
× VCC
0.58
× VCC
V
VLSD3
All OUTn = on, detection voltage code = 3h
0.62
× VCC
0.65
× VCC
0.68
× VCC
V
VIREF
Reference voltage output
RIREF = 1.3 kΩ
1.175
1.205
1.235
V
IIN
Input current
VIN = VCC or GND at SIN, SCLK, LAT, and BLANK
–1
1
μA
SIN/SCLK/LAT = low, BLANK = high, all OUTn = off,
ICC0
2
3
mA
VOUTn = 0.8 V, BC = 7Fh, RIREF = open
SIN/SCLK/LAT = low, BLANK = high, all OUTn = off,
ICC1
VOUTn = 0.8 V, BC = 7Fh, RIREF = 3.6 kΩ
5
7
mA
(IOUT = 18.3 mA target)
SIN/SCLK/LAT/BLANK = low, All OUTn = on,
ICC2
VOUTn = 0.8 V, BC = 7Fh, RIREF = 3.6 kΩ
5
7
mA
(IOUT = 18.3 mA target)
SIN/SCLK/LAT/BLANK = low, All OUTn = on,
Supply current (VCC)
ICC3
VOUTn = 0.8 V, BC = 7Fh, RIREF = 1.6 kΩ
9
11
mA
(IOUT = 41.3 mA target)
VCC = 5.0 V, SIN/SCLK/LAT/BLANK = low,
ICC4
All OUTn = on, VOUTn = 0.8 V, BC = 7Fh,
11
14
mA
RIREF = 1.3 kΩ (IOUT = 50.8 mA target)
VCC = 5.0 V, SIN/SCLK/LAT/BLANK = low,
All OUTn = on, VOUTn = 0.8 V, BC = 7Fh, RIREF = 1.3
ICC5
10
40
µA
k
Ω (IOUT = 50.8 mA target), all output data off with
power-save mode enabled
All OUTn = on, VOUTn = VOUTfix = 0.8 V, BC = 7Fh,
IOLC0
38.5
41.3
44.1
mA
RIREF = 1.6 kΩ
Constant output sink current
(OUT0 to OUT15, see Figure 3)
VCC = 5.0 V, All OUTn = on, VOUTn = VOUTfix = 1 V,
IOLC1
47.3
50.8
54.3
mA
BC = 7Fh, RIREF = 1.3 kΩ
IOLKG0
TJ = +25°C
0.1
μA
Output leakage current
BLANK = high, VOUTn = VOUTfix =
IOLKG1
TJ = +85°C
(1)
0.2
μA
(OUT0 to OUT15, see Figure 3)
10 V, RIREF = 1.6 kΩ
IOLKG2
TJ = +125°C
(1)
0.3
0.8
μA
Constant-current error
All OUTn = on, VOUTn = VOUTfix = 0.8 V, BC = 7Fh,
ΔIOLC0
(channel-to-channel, OUT0 to
±1
±3
%
RIREF = 1.6 kΩ, TA = +25°C
OUT15)(2)
Constant-current error
All OUTn = on, VOUTn = VOUTfix = 0.8 V, BC = 7Fh,
ΔIOLC1
(device-to-devicel, OUT0 to
±2
±4
%
RIREF = 1.6 kΩ, TA = +25°C
OUT15)(3)
(1)
Not tested; specified by design.
(2)
The deviation of each output from the average of OUT0 to OUT15 constant-current. Deviation is calculated by the formula:
(3)
The deviation of the OUT0 to OUT15 constant-current average from the ideal constant-current value. Deviation is calculated by the
formula:
Ideal current is calculated by the formula:
4
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Copyright
© 2011, Texas Instruments Incorporated
Product Folder Link(s): TLC5929


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