LXMG1626-12-66 Datasheet, PDF (1/6 Pages) Microsemi Corporation – 12V 10W Dual CCFL Programmable Inverter Module

PanelMatch™
LXMG1626-12-66
®
12V 10W Dual CCFL Programmable Inverter Module
TM
PRODUCTION DATA SHEET
DESCRIPTION
The LXMG1626-12-66¹ is a 10W Dual RangeMAX™ Digital Dimming
Output Direct Drive™ CCFL (Cold Cathode Technique provides flicker-free brightness
Fluorescent Lamp) Inverter Module control in any wide range typically (100:1+)
specifically designed to be compatible with a dimming application.
variety of LCD panels: A number of NEC The design of the resultant “burst drive”
and a few Optrex, Prime View, AUO, and that energizes the lamp specifically ensures
other panels that have both lamps on one side that no premature lamp degradation occurs,
of the panel and use a single common lamp while allowing significant power savings at
return wire with non-standard output lower dim 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 to
brightness range. This brightness range is high frequency, high-voltage waves
achievable with virtually any LCD display. required to ignite and operate CCFL lamps.
The modules are available with a The modules design utilizes
dimming input that permits brightness Microsemi’s LX1691B backlight controller,
control from a Direct Current voltage source, which provides a number of cost and
a PWM signal, or external Potentiometer. performance advantages due to the
The maximum output current is controller’s high level of integration. A 5V
externally programmable (through the input input supply version (LXMG1626-05-66) is
connector) over a range of 10 to 14mA in also available.
steps. This allows the inverter to match the Other benefits of this new topology are
panel’s lamp current specifications, or it can stable fixed-frequency operation,
be used to purposely drive the lamps at a secondary-side strike-voltage regulation and
lower or higher current to decrease or both open/shorted lamp protection with
increase nominal brightness.
fault timeout.
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
¹ Protected by U.S. Patents 5,923,129; 5,930,121, 6,198, 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 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
DC Voltage
Source
Potentiometer
PWM
Signal
Microsemi
W
UNIVERSAL DIMMING INPUT
"PWM", V_DC, OR POTENTIOMETER
Lamp current 10 to 14mA in steps
PART NUMBER
LXMG1626-12-66
PACKAGE ORDER INFO
OUTPUT CONNECTOR
JST SM03(4.0)B-BHS-1-TB(LF)(SN) or Yeon Ho 20015WR-05A00
INVERTER MATES DIRECTLY
TO PANEL CONNECTORS
JST BHR-03VS-1
Copyright © 2005
Rev. 1.0, 2005-11-15
Microsemi
Integrated Products
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
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