LM3642 1.5-A Synchronous Boost LED Flash Driver With High-Side Current Source

1 Features 1• 1.5-A High-Side Current Source for Single LED • > 85% Efficiency in Torch Mode (at 100 mA) and Flash Mode (at 1 A to 1.5 A) • Accurate Programmable Flash LED Current from 93 mA to 1.5 A • Accurate Programmable Torch LED Currents: – 48.4 mA to 375 mA – 24 mA to 187 mA (LT

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