LXMG1621-XX Datasheet, PDF (1/10 Pages) Microsemi Corporation – DIGITAL DIMMING DUAL LAMP CCFL INVERTER MODULE

RangeMAX™
LXMG1621-xx
TM
®
DIGITAL DIMMING DUAL LAMP CCFL INVERTER MODULE
PRODUCTION DATA SHEET
DESCRIPTION
The LXMG1621 Direct Drive™ CCFL Incorporation of a video synch-
(Cold Cathode Fluorescent Lamp) ronization feature allows wide ratio
Inverter Modules are specifically dimming without the display disturbances
designed for driving two lamp LCD and interference seen with competitive
backlight displays.
products.
Similar to the LXMG1620, the The modules are equipped with a
LXMG1621 excels in applications where dimming input that permits brightness
critical parameters include very wide control from an external potentiometer or
range dimmability, high efficiency, and DC voltage source. The resultant “burst
reliable fail-safe design in a small form drive” that energizes the lamp was
factor. These 12 volt modules are designed specifically to ensure that no
specifically designed with desktop and premature lamp degradation occurs (see
industrial applications in mind.
the “How RangeMAX works” section).
Unlike the LXMG1620 or any The module design is based on a new
traditional dimming CCFL inverters, the Direct Drive topology, which provides a
LXMG1621 provides the designer a number of cost and performance
vastly superior display brightness range. advantages.
100:1+ brightness range is achievable Microsemi’s multiple lamp inverters
with a standard LCD display (see Product include a built in connector array for the
Highlight). Our wide range dimming most common LCD lamp configurations.
provides exceptional display readability at Other benefits of this new topology are
less than 1% of full brightness, allowing fixed-frequency operation and secondary-
both power savings and low ambient light side strike-voltage regulation.
operating capability(i.e. “night readable”). The LXMG1621 is fully customizable
Digital dimming provides flicker-free (electronically and mechanically) to
brightness control in any wide-range specific customer requirements.
dimming application.
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
KEY FEATURES
ƒ RangeMAX Wide Range Dimming
ƒ 8V to 16V Input Voltage Range
ƒ Small Form Factor
ƒ Easy To Use Brightness Control
ƒ MicroAmp SLEEP Mode
ƒ Output Short-Circuit Protection
And Automatic Strike-Voltage
Regulation
ƒ Fixed Frequency Operation
ƒ Universal Connector
Configuration
ƒ RoHS Compliant
ƒ UL 60950 E17590
APPLICATIONS
ƒ Hi-Brite Displays
ƒ Desktop Displays
ƒ Low Ambient Light Conditions
(i.e. Aircraft Cabins, Automobile)
ƒ Industrial Applications
BENEFITS
ƒ High Efficiency Reduces Heating
Problems
ƒ Smooth, Flicker Free 0-100% Full-
Range Brightness Control Gives
Your Product A High Quality
Image
ƒ Output Open Circuit Voltage
Regulation Minimizes Corona
Discharge For Long Life And High
Reliability
ƒ Power Efficient, “Low Brightness”
Capability Allows For Advanced
Power Management
Copyright © 2005
Rev. 1.0a, 2006-11-13
DC Voltage
Source
Potentiometer
BRITE
W
UNIVERSAL DIMMING INPUT
V_DC OR POTENTIOMETER
MODULE ORDER INFO
PART NUMBER
LAMP
CURRENT
LAMP RUN VOLTAGE (RMS)
LXMG1621-01
7mA
500-750
LXMG1621-02
6mA
350-550
LXMG1621-03
6.5mA
350-550
LXMG1621-04
5mA
470-640
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
Page 1