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LP8556 Datasheet(PDF) 24 Page - Texas Instruments

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Part # LP8556
Description  High-Efficiency LED Backlight Driver for Tablets
PDF  63 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LP8556 Datasheet(HTML) 24 Page - Texas Instruments

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LED1
LED5
180 degrees
Phase Delay
1/(fPWM)
Cycle Time
LED3
LED4
LED2
LED6
1
2
3
4
5
6
VBOOST
LED1
LED4
LED6
120 degrees
Phase Delay
1/(fPWM)
Cycle Time
LED5
LED2
LED3
1
2
3
4
5
6
VBOOST
24
LP8556
SNVS871I – JULY 2012 – REVISED MARCH 2016
www.ti.com
Product Folder Links: LP8556
Submit Documentation Feedback
Copyright © 2012–2016, Texas Instruments Incorporated
Table 6. LED String Configuration (continued)
PS_MODE[2:0]
WAVEFORMS
CONNECTION
101
3 LED strings with 120 degree phase shift. Two drivers for each LED string.
(Drivers 1&2, 3&4 and 5&6 are tied and with the same phase).
110
2 LED strings with 180 degree phase shift. Three divers for each LED string.
(Drivers 1&2&3 and 4&5&6 are tied and with the same phase).



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