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The booster and electric charge pump converter drive LED app

2014-11-07 21:25  
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The booster and electric charge pump converter drive LED application circuit
In the figure, there are two projects, MAX1561 booster converter and MAX1573 pump, to drive the LED, and the complexes of the two circuits are almost the same, i.e both of the two circuits have several simple elements, but the booster converter needs inductors and Schottky diodes(some booster converters integrate the Schottky diode inside themselves, but the efficiency is often low), and the electric charge pump circuit doesn't need the inductor.