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LXMG1644-12-61 fiches techniques PDF

Microsemi Corporation - CCFL Programmable Inverter Module

Numéro de référence LXMG1644-12-61
Description CCFL Programmable Inverter Module
Fabricant Microsemi Corporation 
Logo Microsemi Corporation 





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LXMG1644-12-61 fiche technique
PanelMatch™
LXMG1644-12-61
TM ® 12V Quad 6W CCFL Programmable Inverter Module
PRODUCTION DATASHEET
DESCRIPTION
The LXMG1644-12-61 is a Quad 6W For applications not requiring wide
Output Direct Drive™ CCFL (Cold range dimming, amplitude control results
wwwC.DatahtaoSdheeet4UF.nleutorescent Lamp) Inverter in lower ripple on the input supply and
Module specifically designed for driving reduced potential transient noise
LCD backlight lamps. It is ideal for generation. Many STN type panels are
driving typical 12.1” to 18.1” TFT panels. particularly well suited for current
The modules are available with a amplitude dimming.
dimming input that permits brightness The modules convert DC voltage from
control from either a DC voltage source or the system battery or AC adapter directly
a PWM signal or external Potentiometer. to high frequency, high-voltage waves
The maximum output current is externally required to ignite and operate CCFL
programmable over a range of 10 to 16mA lamps.
in 1mA steps to allow the inverter to The LXMG1644-12-61 inverter is in-
properly match to a wide array of LCD tended for panel assemblies where lamp
panel lamp current specifications.
pairs share close proximity with one
LXMG1644 modules unlike the another and a common return (low side)
LXMG1643 series does not provide wide wire.
range ‘burst’ mode dimming, rather Other benefits of this new topology
dimming is provided by amplitude control are stable fixed-frequency operation,
of the output current waveform, this limits secondary-side strike-voltage regulation
the potential dim range to typically less and both open/shorted lamp protection
than 5:1.
with fault timeout.
IMPORTANT: For the most current data and a panel to inverter cross reference, consult MICROSEMI’s website:
http://www.microsemi.com
KEY FEATURES
ƒ Externally Programmable
Maximum Output Current
ƒ Easy to Use Brightness
Control
ƒ Analog Current Amplitude
Dimming Method
ƒ Output Open/Short-Circuit
Protection 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 Compact, Low Profile
Design
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
Selectable Maximum Output Current 10mA to 16mARMS
W
PACKAGE ORDER INFO
ART NUMBER
OUTPUT CONNECTORS
INVERTER MATES DIRECTLY TO
PANEL CONNECTORS
LXMG1644-12-61 Two JST SM04(4.0)B-BHS-1-TB(LF)(SN) or Yeon Ho 20015WR-07A00
JST BHR-04VS-1
Copyright © 2002
Rev. 1.1, 2006-11-16
Microsemi
Integrated Products
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
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