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LXMG1626-05-46 fiches techniques PDF

Microsemi Corporation - CCFL Programmable Inverter Module

Numéro de référence LXMG1626-05-46
Description CCFL Programmable Inverter Module
Fabricant Microsemi Corporation 
Logo Microsemi Corporation 





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LXMG1626-05-46 fiche technique
PanelMatchStayLit
LXMG1626-05-46
TM ® 5V Dual 6W CCFL Programmable Inverter Module
PRODUCTION DATASHEET
DESCRIPTION
The LXMG1626-05-46 is a Dual 6W In addition when only one of the two
Output Direct Drive CCFL (Cold Cathode lamps in the LCD fails open, the second
wwwF.lDuaotarSehseceet4nUt.net Lamp) Inverter Module lamp will continue to operate with a
specifically designed to be compatible FAULT signal toggling to indicate the
with variety of LCD panels that have both failed condition, StayLit™ feature.
lamps on one side of the panel and use a RangeMAX Digital Dimming
single common lamp return wire.
Technique provides flicker-free
LXMG1626 modules provide the brightness control in any wide range
designer with a superior display brightness typically (100:1+) dimming application.
range. This brightness range is achievable The resultant “burst drive” that
with virtually any LCD display.
energizes the lamp is designed
The modules are available with a specifically to ensure that no premature
dimming input that permits brightness lamp degradation occurs, while allowing
control from either, a DC voltage source, significant power savings at lower dim
a PWM signal or external potentiometer. levels.
The maximum output current is The design utilizes Microsemi’s
externally programmable (through the highly integrated LX1691B backlight
input connector) at either 10mA or 12mA controller to convert DC voltage from the
(5mA or 6mA per lamp). This allows the system battery or AC adapter directly to
inverter to match the panel’s lamp current high frequency, high-voltage waves
specifications, or it can be used to required to ignite and operate CCFL
purposely drive the lamps at a lower or lamps.
higher current to decrease or increase Other benefits of this new topology
nominal brightness. The inverter also has are stable fixed-frequency operation,
a dedicated FAULT pin that indicates an secondary-side strike-voltage regulation
open/shorted lamp condition.
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
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 StayLit™ Continued Operation
with Single Open Lamp Failure
ƒ Fixed Frequency Operation
ƒ Fault Output Signal
ƒ Rated From -30 to 80°C
ƒ RoHS Compliant
ƒ UL60950 E175910
ƒ
APPLICATIONS
ƒ Dual Lamp LCD’s Requiring a
Shared Common Lamp Return
ƒ Mates to a Single JST BHR-
04VS-1 Lamp Connector
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
Lamp
Fault
Signal
Microsemi
UNIVERSAL DIMMING INPUT
"PWM", VDC, OR POTENTIOMETER
Lamp current 5 or 6mA per Lamp
W
PART NUMBER
LXMG1626-05-46
Copyright © 2007
Rev. 1.1, 2007-10-25
PACKAGE ORDER INFO
OUTPUT CONNECTOR
JST SM04(4.0)B-BHS-1-TB(LF)(SN) or Yeon Ho 20015WR-07A00 or equivalent
INVERTER MATES DIRECTLY
TO PANEL CONNECTORS
JST BHR-04VS-1
Microsemi
Analog Mixed Signal Group
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
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