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LXM1623-12-4X fiches techniques PDF

Microsemi - 12V Dual 4W CCFL Programmable Inverter Module

Numéro de référence LXM1623-12-4X
Description 12V Dual 4W CCFL Programmable Inverter Module
Fabricant Microsemi 
Logo Microsemi 





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LXM1623-12-4X fiche technique
INTEGRATED
PRODUCTS
PanelMatch
LXM1623-12-4x
www.DataSheet4U.com
12V Dual 4W CCFL Programmable Inverter Module
PRODUCTION DATASHEET
DESCRIPTION
The LXM1623-12-4x is a Dual 4W The resultant “burst drive” that
Output Direct Drive™ CCFL (Cold energizes the lamp was designed
Cathode Fluorescent Lamp) Inverter specifically to ensure that no premature
Module specifically designed for driving lamp degradation occurs, while allowing
LCD backlight lamps. It is ideal for significant power savings at lower dim
driving typical 6.4” to 10.4” TFT panels. levels.
LXM1623 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. A 5V input inverter also is
dimming input that permits brightness available (LXM1623-05-4x), as well as
control from either a DC voltage source or 6W versions (LXM1623-xx-6x) for
a PWM signal or external Potentiometer. driving larger higher voltage panels.
The maximum output current is externally The modules design is based on
programmable over a range of 5 to 6.5mA Microsemi’s new LX1689 backlight
in 0.5mA steps to allow the inverter to controller, which provides a number of
properly match to a wide array of LCD cost and performance advantages due to
panel lamp current specifications.
the controller’s high level of integration.
RangeMAX Digital Dimming Other benefits of this new topology
Technique provides flicker-free brightness are stable fixed-frequency operation,
control in any wide range typically (50:1+) secondary-side strike-voltage regulation
dimming application.
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
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 -20 to 70°C
ƒ UL60950 E175910
APPLICATIONS
ƒ High Brightness Displays
ƒ Portable Instrumentation
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
Potentiometer
PWM
Signal
W
SELECTABLE MAXIMUM OUTPUT CURRENT 5MA
TO 6.5MA RMS
PART NUMBER
LXM1623-12-41
LXM1623-12-42
LXM1623-12-43
Copyright © 2002
Rev. 1.0b, 2005-01-17
PACKAGE ORDER INFO
OUTPUT CONNECTOR
JST SM02(8.0)B-BHS-1-TB or Yeon Ho 20015WR-05A00
JST SM02B-BHSS-1-TB or Yeon Ho 35001WR-02A00
Honda QZ-19-A3MYL #02
INVERTER MATES DIRECTLY
TO PANEL CONNECTORS
JST BHR-03VS-1
JST BHSR-02VS-1
Honda QZ-19-3F01
Microsemi
Integrated Products
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
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