LM3421_09 Datasheet, PDF(18/24 Page) National Semiconductor (TI) – N-Channel Controllers for Constant Current LED Drivers

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LM3421_09 Datasheet, PDF (18/24 Pages) National Semiconductor (TI) – N-Channel Controllers for Constant Current LED Drivers

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FIGURE 11. LM3421 Buck-Boost (Flyback) Topology with High Speed Dimming

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FIGURE 12. LM3421 SEPIC Topology with High Speed Dimming

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