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LP8551TLX/NOPB Datasheet(PDF) 10 Page - Texas Instruments

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Part # LP8551TLX/NOPB
Description  LP8551 High-Efficiency LED Backlight Driver for Notebooks
PDF  47 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LP8551TLX/NOPB Datasheet(HTML) 10 Page - Texas Instruments

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RISET (k
)
CURRENT[7:0] = FFh
CURRENT[7:0] = 7Fh
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VBATT (V)
LOAD = 150 mA
VBOOST = 30V
VBOOST = 35V
VBOOST = 40V
LP8551
SNVS673E – APRIL 2010 – REVISED SEPTEMBER 2014
www.ti.com
7.12 Typical Characteristics
Unless otherwise specified: VBATT= 12 V, CVLDO= 1 μF, L1 = 33 μH, CIN= 10 μF, COUT= 10 μF.
ƒLED= 9.6 kHz
ƒLED= 9.6 kHz
L1 = 15
μH
Figure 2. LED Drive Efficiency
Figure 3. LED Drive Efficiency
Figure 5. Battery Current
Figure 4. Boost Converter Efficiency
Figure 6. ILED vs. RISET
Figure 7. Boost Line Transient Response
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Copyright © 2010–2014, Texas Instruments Incorporated
Product Folder Links: LP8551



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