LX1745 Datasheet (Microsemi Corporation) - Triple Output Boost

LX1745, Triple Output Boost - LED Driver / LCD Bias

The LX1745 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 voltages with an additional two integrated boost converters.

Designed for maximum efficiency and featuring a psuedo-hysteretic PFM topol

LX1745 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 Two LCD Bias Voltage Adjustments Via Analog Reference O