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LP8543 Datasheet(PDF) 10 Page - Texas Instruments

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Part # LP8543
Description  High-Voltage DC/DC Boost Converter With Integrated FET
PDF  40 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LP8543 Datasheet(HTML) 10 Page - Texas Instruments

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LP8543
SNVS604D – AUGUST 2009 – REVISED MARCH 2013
www.ti.com
Typical Performance Characteristics
Unless otherwise specified: VBATT = 12.0V, CVLDO = 470 nF, L1 = 15 μH, CIN = 10 μF, COUT = 4.7 μF
LED Drive Efficiency, fLED = 19.5 kHz, PSPWM enabled
Boost Converter Efficiency
Figure 3.
Figure 4.
Boost Maximum Output Current at VBOOST = 38V
Battery Current
Figure 5.
Figure 6.
Boost Converter Typical Waveforms
VBOOST = 38V, IOUT = 50 mA
Boost Line Transient Response
Figure 7.
Figure 8.
10
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Copyright © 2009–2013, Texas Instruments Incorporated
Product Folder Links: LP8543



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