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LP3954TL/NOPB Datasheet(PDF) 27 Page - Texas Instruments

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Part # LP3954TL/NOPB
Description  Advanced Lighting Management Unit
PDF  60 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LP3954TL/NOPB Datasheet(HTML) 27 Page - Texas Instruments

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WLED1-4[7:0]
EN_W1-4
8-Bit IDAC
WLED1-4_pwm
External PWM
&
WLED1-4
WLED5-6[7:0]
EN_W5-6
8-Bit IDAC
WLED5-6_pwm
External PWM
&
WLED5-6
WLED1-4[7:0]
EN_W1-4
8-Bit IDAC
WLED1-4_pwm
External PWM
&
WLED1-4
LP3954
www.ti.com
SNVS340D – JUNE 2005 – REVISED MARCH 2013
Figure 25. Main Display up to 4 LEDs (WLED1…4)
Figure 26. Sub Display Driver up to 2 LEDs (WLED5…6)
Figure 27. Main Display up to 6 LEDs (WLED1…6) (DISPL=1)
BACKLIGHT DRIVER ELECTRICAL CHARACTERISTICS
Parameter
Test Conditions
Min
Typical
Max
Unit
IMAX
Maximum Sink Current
21.3
25.5
29.4
mA
ILeakage
Leakage Current
VFB =5V
0.03
1
µA
IWLED1
WLED1 Current tolerance
IWLED1 set to 12.8mA (80H)
10.52
12.8
14.78
mA
-18
+16
%
IMatch1-4
Sink Current Matching
ISINK=13mA, Between WLED1…4
0.2
%
IMatch5-6
Sink Current Matching
ISINK=13mA, Between WLED5…6
0.2
%
IMatch1-6
Sink Current Matching
ISINK=13mA, Between WLED1…6
0.3
%
Copyright © 2005–2013, Texas Instruments Incorporated
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Product Folder Links: LP3954



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