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AIC1842

Part Number	AIC1842
Manufacturer	Analog Intergrations Corporation
Description	High Efficiency 1.5X charge Pump
Published	Jun 16, 2015
Detailed Description	AIC1841/2 High Efficiency 1.5X charge Pump For White LEDs Backlighting FEATURES 1MHz Switching Frequency 2.7V to 5.5V I...
Datasheet	AIC1842 PDF File

Overview

AIC1841/2 High Efficiency 1.
5X charge Pump For White LEDs Backlighting 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 Current Limit and Over Temperature Protection 12-Pin (AIC1841) and 16-Pin (AIC1842) QFN Package APPLICATIONS Cellular Phones PDAs Digital Still Cameras Handheld Devices White LED Backlighting GENERAL DESCRIPTION The AIC1841 and AIC1842 provide 4 and 6 LED current source outputs with regulated constant current for uniform...

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