lxmg1614e-14-11| Datasheet

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RangeMAXTM
TM

LXMG1614E-14-11

DUAL DIMMING, EXTENDED TEMPERATURE CCFL INVERTER MODULE

P RODUCTION D ATASHEET

DESCRIPTION Dual Drive, RangeMAXTM Wide Range Dual Drive Dimming Control. Dimming, Single Output Inverter. The inverters provide brightness

KEY FEATURES

WWW . Microsemi .C OM

LXMG1614E series of Direct DriveTM CCFL (Cold Cathode Fluorescent Lamp) Inverter Modules is specifically designed for driving LCD backlight lamps. Although similar to the RangeMAX LXMG1612 wide range dimming inverters, the LXMG1614E family offers two separate brightness controls for lamp current amplitude and duty cycle. This innovation of dual brightness control with extended dimming, combined with Microsemi's high efficiency Direct Drive topology, provides the industry's most feature rich, small form factor inverter available. The wide range dimming provides exceptional display readability at less than 1% of full brightness, allowing both power savings and low ambient light operating capability.

The adjustments utilizing standard lamp current amplitude control as well as supporting Microsemi's RangeMAX wide range dimming technique. Combining both brightness controls into a single inverter supports the "self heating" lamp technology by using a "boost" current feature and still offers duty cycle control for low brightness operation. This controlled overdrive capability eliminates the need for traditional resistive heater wire methods to ensure light output at extremely low temperatures. The LXMG1614E brightness controls support temperature monitoring with look-up table applications by accepting either a PWM input or DC voltage. Large panel lamps with greater thermal inertia can also utilize this "instant-bright" feature and minimize warm up time.

Independent Brightness Controls For Lamp Current Amplitude and Duty Cycle RangeMAX 1-100% Wide Range Dimming with Controlled Overdrive Boost On-Board Thermister Automatically Limits Maximum Lamp Current Supports Wide Input Voltage Range 9-16V High Efficiency, Single Stage Direct Drive Topology -40 C to +85 C Ambient Temperature Operation Output Open/Short Circuit Protection Up to 2000V Output Voltage Capability Single Side PCB Component Layout RoHS Compliant UL60950 E175910 APPLICATIONS Self Heating And High Pressure Lamp Technology Automotive Navigation, GPS Systems, Auto PC Extended Cold Temperature Operation Aircraft Cabin Displays Low Ambient Light Conditions Requiring Wide Range Dimming "Instant On" To Full Brightness For Large LCD Backlight Panels Industrial Notebook And Workstations

(continued next page) IMPORTANT: For the most current data, consult MICROSEMI's website: http://www.microsemi.com Protected by U.S. Patents: 5,923,129; 5,930,121; Patents Pending

PRODUCT HIGHLIGHT

LXMG1614E-14-11 LXMG1614E-14-11

Controlled overdrive mode of LXMG1614E Inverter accelerates lamp warm-up time to provide maximum light output even in extreme temperature environments

MODULE ORDER INFO PART NUMBER
LXMG1614E-14-11
Copyright 2005 Rev. 1.0a,2006-09-13

OUTPUT CONNECTOR
JST SM02(8.0)B-BHS-1-TB (LF)(SN)

INVERTER MATES DIRECTLY TO PANEL CONNECTORS
JST BHR-03VS-1
Page 1

Microsemi
Microsemi Integrated Products 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570

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lxmg1614e-14-11 DATASHEET