LXMG1626-05-66 Datasheet, PDF (1/6 Pages) Microsemi Corporation – 5V 10W Dual CCFL Programmable Inverter Module

PanelMatch™
LXMG1626-05-66
®
5V 10W Dual CCFL Programmable Inverter Module
TM
PRODUCTION DATASHEET
DESCRIPTION
The LXMG1626-05-66 is a 10W Dual The RangeMAX™ Digital Dimming
Output Direct Drive™ CCFL (Cold Technique provides flicker-free bright-
Cathode Fluorescent Lamp) Inverter ness control in any wide range (typically
Module specifically designed to be 100:1+) dimming application.
compatible with a variety of LCD panels: The design of the resultant “burst
A number of NEC and a few Optrex, drive” that energizes the lamp specifically
Prime View, Au Optronics, and other ensures that no premature lamp
panels that have both lamps on one side of degradation occurs, while allowing
the panel and use a single common lamp significant power savings at lower dim
return wire with non standard output levels.
polarity. LXMG1626 modules provide the The modules convert DC voltage from
designer with a vastly superior display the system battery or AC adapter directly
brightness range. This brightness range is to high frequency, high-voltage waves
achievable with virtually any LCD display. required to ignite and operate CCFL
The modules are available with a lamps.
dimming input that permits brightness The modules design utilizes
control from either: a DC voltage source, Microsemi’s LX1691B backlight
a PWM signal, or external Potentiometer. controller, which provides a number of
The maximum output current is cost and performance advantages due to
externally programmable (through the the controller’s high level of integration.
input connector) over a range of 10 to A 12V input supply version
14mA in steps. This allows the inverter to (LXMG1626-12-66) is also available.
match the panel’s lamp current Other benefits of this new topology
specifications or it can be used to are: stable fixed-frequency operation,
purposely drive the lamps at a lower or secondary-side strike-voltage regulation,
higher current to decrease or increase and both open/shorted lamp protection
nominal brightness.
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 Open & 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
APPLICATIONS
ƒ Dual Lamp LCD’s Requiring a
Shared Common Lamp Return
ƒ Mates to a Single JST BHR-
03VS-1 Lamp Connector
ƒ Output Connector Polarity 1:low,
2:high, 3:high
ƒ Desktop Displays
ƒ Industrial Display Controls
BENEFITS
ƒ Smooth, Flicker Free 1%-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
PRODUCT HIGHLIGHT
DC Voltage
Source
Potentiometer
PWM
Signal
HI HI
Microsemi
W
UNIVERSAL DIMMING INPUT
"PWM", V_DC, OR POTENTIOMETER
Lamp current 10 to 14mA in steps
PACKAGE ORDER INFO
PART NUMBER
OUTPUT CONNECTOR
INVERTER MATES DIRECTLY
TO PANEL CONNECTORS
LXMG1626-05-66 JST SM03(4.0)B-BHS-1-TB(LF)(SN) or Yeon Ho 20015WR-05A00
JST BHR-03VS-1
Copyright © 2005
Rev. 1.0, 2006-01-13
Microsemi
Integrated Products
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
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