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LXM1617-12-4X Datasheet, PDF (1/6 Pages) Microsemi Corporation – 12V 4W CCFL Programmable Inverter Module | |||
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INTEGRATED PRODUCTS
PanelMatchâ¢
LXM1617-12-4x
12V 4W CCFL Programmable Inverter Module
PRODUCTION DATASHEET
DESCRIPTION
The LXM1617-12-4x is a Single The resultant âburst driveâ that
Output 4W 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 8.4â to 12.1â TFT panels. levels.
LXM1617 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 maximum output current is lamps. A 5V input inverter is also
externally programmable over a range of 5 available (LXM1617-05-4x).
to 6.5mA in 0.5mA steps to allow the The modules design is based on
inverter to properly match to a wide array Microsemiâs new LX1689 backlight
of LCD panel lamp current specifications. controller, which provides a number of
The modules include a dimming input that cost and performance advantages due to
permits brightness control from a dc the controllerâs high level of integration.
voltage source, a PWM signal or an Other benefits of this new topology
external potentiometer.
RangeMAX Digital
are stable fixed-frequency operation,
Dimming secondary-side strike-voltage regulation
Technique provides flicker-free brightness and both open/shorted lamp protection
control in any wide range typically (50:1+) with fault timeout.
dimming application.
IMPORTANT: For the most current data, consult MICROSEMIâs website: http://www.microsemi.com
Protected By U.S. Patents: 5,923,129; 5,930,121; 6,198,234; Patents Pending
KEY FEATURES
 Externally Programmable
Maximum Output Current
 Easy to Use Brightness Control
 RangeMAX Wide Range
Dimming
 Output Short-Circuit Protection
and Automatic Strike-Voltage
Regulation and Timeout
 Fixed Frequency Operation
 Rated From -20 to 70°C
 UL60950 E175910
APPLICATIONS
 Notebook And Sub-Notebook
 Portable Instrumentation
 Desktop Displays
 Industrial Display Controls
BENEFITS
 Smooth, Flicker Free 2%-100%
Full-Range Brightness Control
 Programmable output current
allows inverter to mate with a
wide variety of LCD panelâs
specifications
 Output Open Circuit Voltage
Regulation Minimizes Corona
Discharge For High Reliability
PRODUCT HIGHLIGHT
U N IV E R S A L D IM M IN G IN P U T
" P W M " , V D C , O R P O T E N T IO M E T E R
D C V o lta g e
S ource
P o te n tio m e te r
PW M
S ig n al
W
S E L E C T A B L E M A X IM U M O U P U T C U R R E N T
5 M A T O 6 .5 M A R M S
PACKAGE ORDER INFO
PART NUMBER
OUTPUT CONNECTOR
LXM1617-12-41 JST SM02(8.0)B-BHS-1-TB or Yeon Ho 20015WR-05A00
LXM1617-12-42 JST SM02B-BHSS-1-TB or Yeon Ho 35001WR-02A00
LXM1617-12-43 Honda QZ-19-A3MYL #02
INVERTER MATES DIRECTLY
TO PANEL CONNECTORS
JST BHR-03VS-1
JST BHSR-02VS-1
Honda QZ-19-3F01
Copyright © 2002
Rev. 1.0b, 2005-01-14
Microsemi
Integrated Products
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
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