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TLC5970RHPR Datasheet(PDF) 19 Page - Texas Instruments

Part # TLC5970RHPR
Description  3-Channel, 12-Bit, PWM LED Driver with Buck DC/DC Converter and Differential Signal Interface
PDF  48 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TLC5970RHPR Datasheet(HTML) 19 Page - Texas Instruments

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background image
100
10
1
0
10
20 30
40
150
I
,OutputCurrent(mA)
OLC
50 60
1
3.75
2.5
1.875
1.25
15
7.5
1.5
70 80
90 100 110 120 130 140
1.072
6000
5000
4000
3000
2000
1000
0
-40
-20
0
20
40
60
80
Free-AirTemperature( C)
°
100
TLC5970RHB
TLC5970DAP
PowerPADSoldered
TLC5970DAP
PowerPADNotSoldered
160
140
120
100
80
60
40
20
0
0
0.5
1.0
1.5
2.0
2.5
3.0
OutputVoltage(V)
I =150mA
O
I =120mA
O
I =100mA
O
I =80mA
O
I =60mA
O
I =10mA
O
T =+25 C,VCC=+24V
DC=7Fh,BC=7Fh
°
A
I =20mA
O
160
140
120
100
80
60
40
20
0
0
32
96
128
DotCorrectionData(dec)
T =+25 C
VCC=+24V
BC=7Fh
°
A
64
16
112
80
48
I =150mA
O
I =60mA
O
I =10mA
O
I =100mA
O
Time(12.5ns/div)
CH1(2V/div)
CH2(2V/div)
CH3(2V/div)
CH3-OUT1
C 2-OUT0
H
CH1-SCKA
(20MHz)
I
=150mA
DCn=BC=7Fh
GSn=001h
ExternalGSCLK
NoBuckConvMode
SCKA/SCKB=20MHz
OLCMax
CH4(2V/div)
CH4-OUT2
160
140
120
100
80
60
40
20
0
0
32
96
128
BrightnessControlData(dec)
T =+25 C
VCC=+24V
DC=7Fh
°
A
64
16
112
80
48
I =150mA
O
I =60mA
O
I =10mA
O
I =100mA
O
TLC5970
www.ti.com
SBVS140 – MARCH 2010
TYPICAL CHARACTERISTICS
Need conditions.
REFERENCE RESISTOR vs OUTPUT CURRENT
POWER DISSIPATION vs FREE-AIR TEMPERATURE
Figure 13.
Figure 14.
OUTPUT CURRENT vs OUTPUT VOLTAGE
DOT CORRECTION LINEARITY
Figure 15.
Figure 16.
GLOBAL BRIGHTNESS LINEARITY
CONSTANT-CURRENT OUTPUT VOLTAGE WAVEFORM
Figure 17.
Figure 18.
Copyright © 2010, Texas Instruments Incorporated
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Product Folder Link(s): TLC5970



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