LXMG1643-12-63 Datasheet, PDF (1/6 Pages) Microsemi Corporation – 12V Quad 6W CCFL Programmable Inverter Module

PanelMatch™
LXMG1643-12-63
TM
®
12V Quad 6W CCFL Programmable Inverter Module
PRODUCTION DATASHEET
DESCRIPTION
The LXMG1643-12-63 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” Optrex T-51511D150-FW- levels.
A-AC/AD, T51863D150J-FW-A-AB/AD, The modules convert the DC voltage
or similar TFT LCD panels.
from the system battery or AC adapter
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 typical with analog CCFL lamps.
(current amplitude control) dimming.
The LXMG1643-12-63 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. Two other
external potentiometer. The maximum versions, the LXMG1643-12-61 and the
output current is externally programmable LXMG1643-12-62, are available to match
over a range of 5 to 8mA in 1mA steps to other quad lamp panels with alternative
allow the inverter to match properly to a output connector configurations.
wide array of LCD panel lamp current Other benefits of this new topology
specifications.
are stable fixed-frequency operation,
The RangeMAX™ Digital Dimming secondary-side strike-voltage regulation,
Technique provides flicker-free brightness and both open/shorted lamp protection
control in any wide range (typically 50:1+) with fault timeout.
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; 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 UL60950 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
LXMG1643-12-63
PACKAGE ORDER INFO
OUTPUT CONNECTORS
Two JST SM02B-BHSS-1-TB(LF)(SN) or Yeon Ho 35001WR-02A00
and Two JST SM02(4.0)B-BHS-1-TB(LF)(SN) or equivalent connectors
INVERTER MATES DIRECTLY TO
PANEL CONNECTORS
JST BHSR-02VS-1 and
JST BHR-02VS-1
Copyright © 2004
Rev. 1.1, 2006-11-16
Microsemi
Integrated Products
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
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