LXMG1627-05-44 Datasheet, PDF (1/6 Pages) Microsemi Corporation – 5V Dual 4W CCFL Programmable Inverter Module

PanelMatch™ RangeMAX™ LXMG1627-05-44
®
5V Dual 4W CCFL Programmable Inverter Module
TM
PRODUCTION DATASHEET
DESCRIPTION
The LXMG1627-05-44 is a Dual 4W This allows the inverter to match the
Output Direct Drive™ CCFL (Cold panel’s lamp current specifications.
Cathode Fluorescent Lamp) Inverter The modules convert a DC voltage
Module specifically designed to be from the system battery or AC adapter
compatible with the Sharp LQ104S1DG51 directly to high frequency, high-voltage
/61 10.4”, LQ121S1DG41/61 12.1” as well waves required to ignite and operate CCFL
as the 10.4” Toshiba Matsushita lamps. A 12V input inverter version is also
LTA104D182F/183F and the Samsung available: LXMG1627-12-44.
LTM121SI-T01 12.1” or similar dual lamp The module’s design utilizes
displays that have individual lamp output Microsemi’s LX6512 backlight controller,
connectors on one side of the panel.
which provides a number of cost and
LXMG1627 modules provide the performance advantages due to the
designer with a vastly superior display controller’s high level of integration.
brightness range. The RangeMAX™ Other benefits of this new topology are
Digital Dimming Technique supplies stable fixed-frequency operation,
flicker-free brightness control for any wide secondary-side strike-voltage regulation
range (typically 50:1+) dimming and both open/shorted lamp protection with
application.
fault timeout for open lamp condition.
The included dimming input permits The new LXMG1627-xx-44 modules
brightness control from either, a DC are designed therefore as a wider
voltage source, a PWM signal or an temperature range near drop-in-
external potentiometer.
replacement for the LXMG1623-xx-44
The maximum output current is inverters, the major difference being the
externally programmable (through the input input voltage adjustment range of the
connector) over a range of 5mA to 6.5mA BRITE (dimming) pin.
in 0.5mA steps.
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
PRODUCT HIGHLIGHT
UNIVERSAL DIMMING INPUT
"PWM", VDC, OR POTENTIOMETER
KEY FEATURES
ƒ Externally Programmable Maximum
Output Current
ƒ Easy to Use Brightness Control
ƒ RangeMAX Wide Range Dimming
ƒ Output Open & Short-Circuit Protection
and Automatic Strike-Voltage
Regulation and Timeout
ƒ Fixed Frequency Operation
ƒ Rated From -30°C to 80°C
ƒ UL60950 E175910 Pending
ƒ RoHS Compliant
ƒ
APPLICATIONS
ƒ LCD’s Requiring Both Output
Connectors on One Side of Panel
ƒ Sharp LQ104S1DG51/61 and
LQ121S1DG41/61
ƒ Samsung LTM121SI-T01
ƒ Toshiba Matsushita
LTA104D182F/183F
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
ƒ Output Open Circuit Voltage
Regulation Minimizes Corona
Discharge For High Reliability
DC Voltage
Source
500k
Potentiometer
PWM
Signal
PART NUMBER
LXMG1627-05-44
SELECTABLE MAXIMUM OUTPUT CURRENT
5.0MARMS TO 6.5MARMS
PACKAGE ORDER INFO
OUTPUT CONNECTOR
INVERTER MATES DIRECTLY TO
PANEL CONNECTORS
JST SM02(8.0)B-BHS-1-TB (LF)(SN) or Yeon Ho 20015WR-05A00 or equivalent
JST BHR-03VS-1
Copyright © 2008
Rev. 1.0, 2008-12-04
Microsemi
Analog Mixed Signal Group
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, 800-877-6458, Fax: [phone]
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