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Linear Technology announces the LT1942, a highly integrated quad switching regulator designed to provide all necessary power supply functions for TFT displays and their required white LED backlighting. The device, packaged in a 4 × 4 mm QFN, is designed to power 2 inches to 7 inches TFT-LCD panels in applications ranging from PDAs to automotive GPS displays. It operates from an input voltage range of 2.6 V to 16 V, making it suitable for applications ranging from Li-Ion powered handhelds to automotive applications. Its 1 MHz switching frequency provides low noise operation by keeping external components small. The TFT supply incorporates one inverting and two boost DC/DC converters. The TFT supply output voltages are independently set.

Linear Technology Corporation

Linear Technology Corporation
1630 McCarthy Blvd.
Milpitas, CA, 95035