LX1744 Datasheet (Microsemi Corporation) - Dual Output Boost

LX1744, Dual Output Boost - LED Driver / LCD Bias

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 (t

LX1744 Features

* > 90% Maximum Efficiency

* Low Quiescent Supply Current

* Externally Programmable Peak Inductor Current Limit for Maximum Efficiency

* Logic Controlled Shutdown

* < 1µA Shutdown Current

* Dynamic Output LED Current and LCD Bias Voltage Adjustment via Analog Reference or Dir