19-1755; Rev 1; 3/01 Wide Brightness Range CCFL Backlight Controllers General Description The MAX1739/MAX1839 fully integrated controllers are optimized to drive cold-cathode fluorescent lamps (CCFLs) using the industry-proven Royer oscillator inverter architecture.
The Royer architecture provides near sinusoidal drive waveforms over the entire input range to maximize the life of CCFLs.
The MAX1739/ MAX1839 optimize this architecture to work over a wide input voltage range, achieve high efficiency, and maximize the dimming range.
The MAX1739/MAX1839 monitor and limit the transformer center-tap voltage when required.
This ensures minimal voltage stress on the transformer, which increases the...

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