AIC1841-AnalogIntergrationsCorporation.pdf
Datasheet Details
Part number:
AIC1842, AIC1841
Manufacturer:
Analog Intergrations Corporation
File Size:
631.71 KB
Description:
High efficiency 1.5x charge pump.
Note:
This datasheet PDF includes multiple part numbers: AIC1842, AIC1841.
Please refer to the document for exact specifications by model.
AIC1842, AIC1841, High Efficiency 1.5X charge Pump
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.
The devices can be used
AIC1842 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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