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TLC5940QRHBREP Fiches technique(PDF) 6 Page - Texas Instruments

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No de pièce TLC5940QRHBREP
Description  16-CHANNEL LED DRIVER WITH DOT CORRECTION AND GRAYSCALE PWM CONTROL
Download  33 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

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TLC5940-EP
SLVSA51D – MARCH 2010 – REVISED MAY 2010
www.ti.com
ELECTRICAL CHARACTERISTICS
VCC = 3 V to 5.5 V, TA = –40°C to 125°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOH
High-level output voltage
IOH = -1mA, SOUT
VCC –0.5
V
VOL
Low-level output voltage
IOL = 1mA, SOUT
0.5
V
VI = VCC or GND; BLANK, DCPRG, GSCLK, SCLK, SIN,
–1
1
XLAT
mA
VI = GND; VPRG
–2
2
II
Input current
VI = VCC; VPRG
50
VI = 21V; VPRG; DCPRG = VCC
4
10
mA
No data transfer, all output OFF,
0.9
6
VO = 1V, R(IREF) = 10kΩ
No data transfer, all output OFF,
5.2
12
VO = 1V, R(IREF) = 1.3kΩ
ICC
Supply current
mA
Data transfer 30MHz, all output ON,
16
VO = 1V, R(IREF) = 1.3kΩ
Data transfer 30MHz, all output ON,
30
VO = 1V, R(IREF) = 640Ω
All output ON, VO = 1V, R(IREF) = 640Ω, 25°C
54
61
69
Constant sink current (see
IO(LC)
mA
Figure 3)
All output ON, VO = 1V, R(IREF) = 640Ω, Full temperature
42
61
72
All output OFF, VO = 15V, R(IREF) = 640Ω,
Ilkg
Leakage output current
±1
mA
OUT0 to OUT15
All output ON, VO = 1V, R(IREF) = 640Ω,
±4
OUT0 to OUT15, 25°C
All output ON, VO = 1V, R(IREF) = 640Ω,
±12
OUT0 to OUT15(1), Full temperature
Constant sink current error
ΔIO(LC0)
%
(see Figure 3)
All output ON, VO = 1V, R(IREF) = 1300Ω,
±4
OUT0 to OUT15, 25°C
All output ON, VO = 1V, R(IREF) = 1300Ω,
±8
OUT0 to OUT15(1), Full temperature
–2
Constant sink current error
Device to device, Averaged current from OUT0 to
ΔIO(LC1)
%
(see Figure 3)
OUT15, R(IREF) = 1920Ω (20mA)
(2)
+0.4
–2.7
Constant sink current error
Device to device, Averaged current from OUT0 to
ΔIO(LC2)
%
(see Figure 3)
OUT15, R(IREF) = 480Ω (80mA)
(2)
+2
All output ON, VO = 1V, R(IREF) = 640Ω
±4
OUT0 to OUT15(3), 25°C
All output ON, VO = 1V, R(IREF) = 640Ω
±11
OUT0 to OUT15(3), Full temperature
ΔIO(LC3) Line regulation (see Figure 3)
%/V
All output ON, VO = 1V, R(IREF) = 1300Ω ,
±4
OUT0 to OUT15(3), 25°C
All output ON, VO = 1V, R(IREF) = 1300Ω ,
±4
OUT0 to OUT15(3), Full temperature
All output ON, VO = 1V to 3V, R(IREF) = 640Ω,
±6
OUT0 to OUT15(4), 25°C
All output ON, VO = 1V to 3V, R(IREF) = 640Ω,
±20
OUT0 to OUT15(4), Full temperature
ΔIO(LC4) Load regulation (see Figure 3)
%/V
All output ON, VO = 1V to 3V, R(IREF) = 1300Ω,
±6
OUT0 to OUT15(4), 25°C
All output ON, VO = 1V to 3V, R(IREF) = 1300Ω,
±6
OUT0 to OUT15(4), Full temperature
(1)
The deviation of each output from the average of OUT0-15 constant current. It is calculated by Equation 1 in Table 1.
(2)
The deviation of average of OUT1-15 constant current from the ideal constant-current value. It is calculated by Equation 2 in Table 1.
The ideal current is calculated by Equation 3 in Table 1.
(3)
The line regulation is calculated by Equation 4 in Table 1.
(4)
The load regulation is calculated by Equation 5 in Table 1.
6
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Copyright © 2010, Texas Instruments Incorporated
Product Folder Link(s): TLC5940-EP


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