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AIC1841 - High Efficiency 1.5X charge Pump

AIC1841 Description

AIC1841/2 High Efficiency 1.5X charge Pump For White LEDs Backlighting .
The AIC1841 and AIC1842 provide 4 and 6 LED current source outputs with regulated constant current for uniform intensity.

AIC1841 Features

* 1MHz Switching Frequency 2.7V to 5.5V Input Voltage Range Low Shutdown Current: ≦1µA Regulated 20mA Full-Scale Output Current 32-Position Linear Scale with Digital Control High Accuracy Brightness Matching 33% Less Input Current Than Doubler Charge Pump No Inductors Required Build-in Soft-Start Curr

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High Efficiency 1.5X charge Pump Analog Intergrations Corporation
Analog Intergrations Corporation AIC1841-like datasheet