LG KP500 - LCD Back-Light Illumination

3.10 LCD back-light illumination
The SC654 is a high efficiency charge pump LED driver using Semtech s proprietary charge pump
technology. Performance is optimized for use in single-cell Li-ion battery applications.
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3. TECHNICAL BRIEF
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Figure 12 LCD Back light unit and Flash LED charge pump IC
LC
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Figure 11 Keypad Back-light LEDs
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