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LP85571 Datasheet(PDF) 10 Page - Texas Instruments

Part # LP85571
Description  LP8557 High-Efficiency LED Backlight Driver For Tablets
PDF  49 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

LP85571 Datasheet(HTML) 10 Page - Texas Instruments

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2.7V
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LP8557, LP85571
SNVSA15B – DECEMBER 2013 – REVISED DECEMBER 2015
www.ti.com
Typical Characteristics (continued)
Unless otherwise specified: VIN = VDD = 3.8 V, L = 10 µH Cyntec PIME051E, D = Diodes PD3S130L-7, COUT = 2 × 4.7 µF,
LED Vƒ = 2.85 V (typical), ILED_MAX = 25 mA per string.
6p6s Load
6p6s Load
Figure 14. LED Efficiency as a Function of VIN/VDD
Figure 15. Boost Efficiency as a Function of VIN/VDD
Figure 16. LED Current Accuracy as a Function of VDD
Figure 17. LED Current Channel-Channel Matching as a
Function of VDD
Figure 18. Device Operating Current as a
Figure 19. Current Sink Headroom Voltage as a
Function of VDD
Function of VDD
10
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Copyright © 2013–2015, Texas Instruments Incorporated
Product Folder Links: LP8557 LP85571



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