AIC1842 - High Efficiency 1.5X charge Pump

This page provides the datasheet information for the AIC1842, a member of the AIC1841 High Efficiency 1.5X charge Pump family.

Product Overview

Analog Intergrations Corporation

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Datasheet Details

Part number	AIC1842
Manufacturer	Analog Intergrations Corporation
File Size	631.71 KB
Description	High Efficiency 1.5X charge Pump
Datasheet	AIC1842 Datasheet
Additional preview pages of the AIC1842 datasheet.

AIC1842 Product details

Description

The AIC1841 and AIC1842 provide 4 and 6 LED current source outputs with regulated constant current for uniform intensity.

The AIC1841/2 is the low noise, constant frequency charge pump DC/DC converter that uses 1.5X conversion to increase efficiency in white LED applications.

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.

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Published: Jun 16, 2015 |