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TLC5943RHBT датащи(PDF) 4 Page - Texas Instruments

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номер детали TLC5943RHBT
подробное описание детали  16-Channel, 16-Bit PWM LED Driver with 7-Bit Global Brightness Control
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производитель  TI [Texas Instruments]
домашняя страница  http://www.ti.com
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TLC5943RHBT датащи(HTML) 4 Page - Texas Instruments

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ELECTRICAL CHARACTERISTICS
D
(%)=
I
OUTn
-
1
(I
+I
+...+I
)
OUT0
OUT1
OUT15
16
´
100
.
D
(%)=
IdealOutputCurrent
-
(IdealOutputCurrent)
(I
+I
+...I
+I
)
OUT0
OUT1
OUT14
OUT15
16
´
100
I
=41
´
OUT(IDEAL)
1.20
R
IREF
100
(I
atV
=3.0V)
OUTn
CC
(I
atV
=5.5V)
(I
atV
=3.0V)
OUTn
CC
OUTn
CC
-
5.5V
3V
-
D
(%/V)=
´
100
3V
1V
-
´
(I
atV
=1V)
OUTn
OUTn
(I
atV
=3V)
(I
atV
=1V)
-
OUTn
OUTn
OUTn
OUTn
D
(%/V)=
TLC5943
SBVS101 – DECEMBER 2007
At VCC = 3.0 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.
TLC5943
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOH
High-level output voltage
IOH = –1 mA at SOUT
VCC – 0.4
VCC
V
IOL = 1 mA at SOUT
0
0.4
V
VOL
Low-level output voltage
IOL = 5 mA at XERR
0.4
V
VIN = VCC or GND at SIN, SCLK, GSCLK, XLAT,
IIN
Input current
–1
1
µA
BLANK, BCSEL
SIN/SCLK/GSCLK/XLAT/BCSEL = low, BLANK = high,
ICC1
1
3
mA
GSn = FFFFh, BCn = 7Fh, VOUTn = 1 V, RIREF = 10 kΩ
SIN/SCLK/GSCLK/XLAT/BCSEL = low, BLANK = high,
ICC2
4
8
mA
GSn = FFFFh, BCn = 7Fh, VOUTn = 1 V, RIREF = 2 kΩ
SCLK/GSCLK = 30 MHz, SIN = 15MHz,
XLAT/BCSEL/BLANK = low,
Supply current (VCC)
ICC3
14
30
mA
GSn = FFFFh, BCn = 7Fh, Auto Repeat on,
VOUTn = 1 V, RIREF = 2 kΩ
(1)
SCLK/GSCLK = 30 MHz, SIN = 15MHz,
XLAT/BCSEL/BLANK = low,
ICC4
27
50
mA
GSn = FFFFh, BCn = 7Fh, Auto Repeat on,
VOUTn = 1 V, RIREF = 1 kΩ
(1)
All OUTn = ON, BCn = 7Fh, VOUTn = 1 V,
IO(LC)
Constant output current
43
49
55
mA
VOUTfix = 1 V, RIREF = 1 kΩ
BLANK = high, RIREF = 1 kΩ, VOUTn = 17 V,
IO(LKG1)
Leakage output current
0.1
µA
At OUT0 to OUT15
IO(LKG2)
Leakage output current
No error condition, VXERR = 5.5 V, at XERR
1
µA
Constant current error
All OUTn = ON, BCn = 7Fh, VOUTn = 1 V,
ΔIO(LC)
±1.5
±4
%
(pin-to-pin)(1)
VOUTfix = 1 V, RIREF = 1 kΩ, at OUT0 to OUT15
Constant current error
All OUTn = ON, BCn = 7Fh, VOUTn = 1 V,
ΔIO(LC1)
±3
±9
%
(device-to-device)(2)
VOUTfix = 1 V, RIREF = 1 kΩ
All OUTn = ON, BCn = 7Fh, VOUTn = 1 V,
ΔIO(LC2)
Line regulation(3)
±1
±4
%/V
VOUTfix = 1 V, RIREF = 1 kΩ, at OUT0 to OUT15
All OUTn = ON, DCn = 7Fh, VOUTn = 1 V to 3 V,
ΔIO(LC3)
Load regulation(4)
±1
±3
%/V
VOUTfix = 1 V, RIREF = 1 kΩ, at OUT0 to OUT15
T(TEF)
Thermal error flag threshold
Junction temperature(5)
+150
+162
+175
°C
T(HYS)
Thermal error hysteresis
Junction temperature(5)
+5
+10
+20
°C
VLOD
LED open detection threshold
All OUTn = ON
0.2
0.3
0.4
V
VIREF
Reference voltage output
RIREF = 1 kΩ
1.16
1.20
1.24
V
(1)
The deviation of each output from the average of OUT0–OUT15 constant current. Deviation is calculated by the formula:
(2)
The deviation of the OUT0–OUT15 constant current average from the ideal constant current value.
Deviation is calculated by the following formula:
Ideal current is calculated by the formula:
(3)
Line regulation is calculated by this equation:
(4)
Load regulation is calculated by the equation:
(5)
Not tested. Specified by design.
4
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Copyright © 2007, Texas Instruments Incorporated
Product Folder Link(s): TLC5943


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