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Address the power design challenges of DTV

Posted: 17 Mar 2008 ?? ?Print Version ?Bookmark and Share

Keywords:DTV? flat TVs? plasma LCD?

The growth of DTVs puts them on a pace to gain >50 percent of the global TV market in the next year. The power design challenges for flat plasma and LCD TVs differ significantly from CRT TVs. The primary challenge is fitting the power supply into the thin-panel format. Along with this come the tasks of managing heat and EMI in proximity to the video circuits. The power levels needed are higher compared with CRT levels, and different voltages are required, complicating the problem further. By one estimate, power supply constitutes 12 percent of the BOM cost of LCD TVs if the display cost is excluded. Physically also, it occupies a significant part of the real estate behind the screen.

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