Display Control and Power

Display Control and Power

Analog Devices manufactures a broad line of high performance switching regulators specifically for generating voltages in CCFL, CCD bias, and LCD applications. Small highly integrated switching regulators with high switching frequencies allow very small circuit implementations and optimize battery run time in handheld devices.

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CCFL Controllers

Cold cathode fluorescent lamps (CCFLs) are sealed glass tubes filled with inert gases. When a high voltage is placed across the tube, the gases ionize creating ultraviolet (UV) light. The UV light, in turn, excites an inner coating of phosphor, creating visible light. CCFLs have many desirable features, including pure white light, low cost, and high efficiency.

Electroluminescent (EL) Drivers

Electroluminescent (EL) displays are solid-state displays that use a phosphor to emit light in the presence of an electric field. Requiring bias voltages of up to 150 V+, they require specialized bias and control circuitry.

LCD/CCD/OLED Bias

Analog Devices manufactures a broad line of high performance switching regulators specifically for generating voltages in CCFL, CCD bias and LCD applications. These boost regulators offer typical input voltage capability from 0.9 V to 30 V, output voltages as high as 60 V, switching frequencies up to 3 MHz, switch current up to 1.5 A, and multiple output capability. This combination of features allows very small circuit implementations and optimizes battery run time in handheld devices.