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LX1744

Microsemi Corporation
Part Number LX1744
Manufacturer Microsemi Corporation
Description Dual Output Boost - LED Driver / LCD Bias
Published Dec 27, 2006
Detailed Description www.DataSheet4U.com LX1744 I N T E G R A T E D P R O D U C T S Dual Output Boost – LED Driver / LCD Bias P RODUCTION D...
Datasheet PDF File LX1744 PDF File

LX1744
LX1744

Overview
www.
DataSheet4U.
com LX1744 I N T E G R A T E D P R O D U C T S Dual Output Boost – LED Driver / LCD Bias P RODUCTION D ATASHEET DESCRIPTION The LX1744 is a compact high efficiency step-up boost regulator for driving white or color LEDs in LCD lighting applications while supplying the necessary LCD bias voltage with an additional integrated boost converter.
Designed for maximum efficiency and featuring a psuedo-hysteretic PFM topology (that decreases output voltage ripple), the LX1744 minimizes system cost and condenses layout area making it ideal for PDA, smart-phone, and digital camera applications.
While the LCD Bias generation is implemented using an internal N-Channel MOSFET, the LED driver utilizes an external N-Channel MOSFET in order to maintain maximum efficiency along with flexible power requirements.
The LX1744’s control circuitry is optimized for portable systems with a shutdown current of less than 1µA.
The input voltage range of 1.
6V to 6.
0V allows for a wide selection ...


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