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TFT Bias (5V@40mA, 10V@2mA, -10V@2mA) and White LED Backlight Supply From Single Li-Ion Cell

The LT1942 is a highly integrated quad switching regulator designed to provide all necessary power supply functions for TFT displays, including the white LED backlight driver. The TFT supply output voltages are independently set, unlike charge pump solutions which have many limitations.

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