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2A RGB LED driver for portable projectors unveiled

National Semiconductor Corp. has unveiled the LM3435, which it claims to be the first 2A red-green-blue (RGB) LED driver for portable projectors. The LM3435 drives three common anode RGB high-brightness LEDs sequentially with a single inductor through an I2C control interface for LED current control. The LM3435 LED driver is a compact switching-mode constant current regulator that integrates all active components, including an N-Channel main MOSFET, P-Channel synchronous MOSFET and three N-Channel pass switches for individual LED control.

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