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LP8556 Datasheet(PDF) 50 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) 50 Page - Texas Instruments

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LUMINANCE [Nits]
PWM Dimming
Adaptive Dimming
VIN = 3.6V
10" Panel
6x7 LED Array
ILEDMAX = 23 mA/CH
L = 4.7 PH
1.5 mm Max Height
fSW = 1.25 MHz
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BRIGHTNESS [%]
VIN = 3.6V
10" Panel
6x7 LED Array
ILEDMAX = 23 mA/CH
L = 4.7 PH
1.5 mm Max Height
fSW = 1.25 MHz
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LP8556
SNVS871I – JULY 2012 – REVISED MARCH 2016
www.ti.com
Product Folder Links: LP8556
Submit Documentation Feedback
Copyright © 2012–2016, Texas Instruments Incorporated
Unless otherwise specified: VIN = 3.8 V, CVLDO = 10 μF, L1 = 4.7 μH, CIN = 2.2 μF, COUT = 4.7 μF, ƒSW = 1.25 MHz
Figure 26. Input Power as a Function of Brightness
Figure 27. Power Savings With Adaptive Dimming when
Compared to PWM Dimming



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