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MAX8678

Part Number	MAX8678
Manufacturer	Maxim Integrated Products
Description	White LED Charge Pump
Published	Aug 13, 2007
Detailed Description	www.DataSheet4U.com 19-0786; Rev 0; 4/07 White LED Charge Pump with 1.1W Audio Amplifier General Description The MAX867...
Datasheet	MAX8678 PDF File

Overview

www.
DataSheet4U.
com 19-0786; Rev 0; 4/07 White LED Charge Pump with 1.
1W Audio Amplifier General Description The MAX8678 integrates a charge pump for white lightemitting diodes (LEDs) with an audio loudspeaker amplifier.
The high-efficiency, adaptive charge pump drives up to four LEDs with constant current for uniform brightness.
The LED current is adjustable from 0.
1mA/LED to 24mA/LED in 31 pseudo-logarithmic steps through a single-wire serial-pulse interface.
High accuracy and LED-to-LED current matching are maintained throughout the adjustment range.
Individual adaptive mode switching for each LED provides high efficiency with a wide range of LED forward voltages.
The mono class AB audio...

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