LXMG1643-12-64 Datasheet, PDF (1/6 Pages) Microsemi Corporation – 12V Quad 6W CCFL Programmable Inverter Module

PanelMatch™
LXMG1643-12-64
TM
®
12V Quad 6W CCFL Programmable Inverter Module
PRODUCTION DATASHEET
DESCRIPTION
The LXMG1643-12-64 is a Quad 6W The resultant “burst drive” that
Output Direct Drive™ CCFL (Cold energizes the lamp was designed
Cathode Fluorescent Lamp) Inverter specifically to ensure that no premature
Module specifically designed for driving lamp degradation occurs, while allowing
LCD backlight lamps. It is ideal for significant power savings at lower dim
driving the 15” NEC NL10276BC30-17, levels.
AOU G150XG02, or similar TFT LCD The modules convert the DC voltage
panels.
from the system battery or AC adapter
The LXMG1643 modules provide the directly to high frequency, high-voltage
designer with a vastly superior display waves required to ignite and operate
brightness range than is typical with analog CCFL lamps.
(current amplitude control) dimming.
The LXMG1643-12-64 inverter is
The inverter includes a dimming input intended for panel assemblies with two
that permits brightness control from either high and two low lamp connections, each
a DC voltage source or a PWM signal or sharing the same connector. Three other
an external potentiometer. The maximum quad lamp versions, the LXMG1643-12-
output current is externally programmable 61, LXMG1643-12-62 and the
over a range of 5 to 8mA in 1mA steps to LXMG1643-12-63, are available to match
allow the inverter to match properly to a other quad lamp panels with alternative
wide array of LCD panel lamp current output connector configurations.
specifications.
Other benefits of this new topology
The RangeMAX™ Digital Dimming are stable fixed-frequency operation,
Technique provides flicker-free brightness secondary-side strike-voltage regulation,
control in any wide range (typically 50:1+) and both open / shorted lamp protection
dimming application.
with fault timeout.
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; 6,298,234; Patents Pending
PRODUCT HIGHLIGHT
KEY FEATURES
ƒ Externally Programmable
Maximum Output Current
ƒ Easy to Use Brightness
Control
ƒ RangeMAX™ Wide Range
Dimming
ƒ Output Short-Circuit Protection
and Automatic Strike-Voltage
Regulation and Timeout
ƒ Fixed Frequency Operation
ƒ Rated From -20 to 70°C
ƒ RoHS Compliant
ƒ UL 60950 E175910
ƒ
APPLICATIONS
ƒ High Brightness Displays
ƒ Desktop Displays
ƒ Industrial Display Controls
BENEFITS
ƒ Smooth, Flicker Free 2%-
100% Full-Range Brightness
Control
ƒ Programmable Output Current
Allows Inverter to Mate With a
Wide Variety of LCD Panel
Specifications
ƒ
DC Voltage
Source
Potentiometer
PWM
Signal
Universal Dimming Input
PWM, VDC, or
Potentiometer
Microsemi
PART NUMBER
RoHS Compliant
LXMG1643-12-64
PACKAGE ORDER INFO
OUTPUT CONNECTORS
Four JST SM02(8.0)B-BHS-1-TB(LF)(SN) or
Yeon Ho 20015WR-05A00 or equivalent connectors
INVERTER MATES DIRECTLY TO
PANEL CONNECTORS
JST BHR-03VS-1 or equivalent
connectors
Copyright © 2005
Rev. 1.1, 2006-11-16
Microsemi
Integrated Products
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
Page 1