LXMG1643-12-61 Datasheet, PDF (1/6 Pages) Microsemi Corporation – 12V Quad 6W CCFL Programmable Inverter Module

PanelMatch™
LXMG1643-12-61
TM
®
12V Quad 6W CCFL Programmable Inverter Module
PRODUCTION DATASHEET
DESCRIPTION
The LXMG1643-12-61 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 typical 12.1” to 18.1” TFT panels. levels.
LXMG1643 modules provides the The modules convert DC voltage from
designer with a vastly superior display the system battery or AC adapter directly
brightness range then typical with analog to high frequency, high-voltage waves
(amplitude control) dimming.
required to ignite and operate CCFL
The inverter includes a dimming input lamps.
that permits brightness control from either The LXMG1643-12-61 inverter is
a DC voltage source or a PWM signal or intended for panel assemblies where lamp
external Potentiometer. The maximum pairs share close proximity with one
output current is externally programmable another. The LXMG1643-12-62 inverter
over a range of 10 to 16mA (per lamp pair) should be considered for panel
in 2mA steps to allow the inverter to applications with individual lamp
properly match to a wide array of LCD connections or where lamps are spaced
panel lamp current specifications.
well apart from each other.
RangeMAX Digital Dimming Other benefits of this new topology
Technique provides flicker-free brightness are stable fixed-frequency operation,
control in any wide range typically (50:1+) secondary-side strike-voltage regulation
dimming application.
and both open/shorted lamp protection
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; 6,198,234; Patents Pending
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 UL 60950 E175910
ƒ RoHS Compliant
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’s specifications
PRODUCT HIGHLIGHT
Universal Dimming Input PWM, VDC, or Potentiometer
DC
Voltage
Source
Potentiometer
PWM
Signal
W
Selectable Maximum Output Current 10mA to 16mA_RMS
PART NUMBER
LXMG1643-12-61
Copyright © 2005
Rev. 1.0a, 2006-11-16
PACKAGE ORDER INFO
OUTPUT CONNECTORS
Two JST SM04(4.0)B-BHS-1-TB(LF)(SN) or Yeon Ho 20015WR-
07A00
INVERTER MATES DIRECTLY
TO PANEL CONNECTORS
JST BHR-04VS-1
Microsemi
Integrated Products
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
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