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LXM1624-12-6X Datasheet, PDF (1/6 Pages) Microsemi Corporation – 12V Dual 6W Programmable CCFL Inverter Module | |||
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PanelMatchâ¢
LXM1624-12-6x
INTEGRATED PRODUCTS
12V Dual 6W Programmable CCFL Inverter Module
PRODUCTION DATASHEET
DESCRIPTION
The LXM1624-12-6x is a Dual 6W For applications not requiring wide
Output Direct Drive⢠CCFL (Cold range dimming, amplitude control results
Cathode Fluorescent 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 10.4â to 15â 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 5 to 8mA in lamps.
1mA steps to allow the inverter to properly The modules design is based on
match to a wide array of LCD panel lamp Microsemiâs new LX1689 backlight
current specifications.
controller, which provides a number of
LXM1624 modules unlike the cost and performance advantages due to
LXM1623 series does not provide wide the controllerâs high level of integration.
range âburstâ 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, consult MICROSEMIâs website: http://www.microsemi.com
Protected By U.S. Patents: 5,923,129; 5,930,121; 6,198,234; Patents Pending
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 a l
KEY FEATURES
 Externally Programmable
Maximum Output Current
 Easy to Use Brightness
Control
 Analog Current Amplitude
Dimming Method
 Output Open/Short-Circuit
Protection and Automatic
Strike-Voltage Regulation and
Timeout
 Fixed Frequency Operation
 Rated From -20 to 70°C
 UL60950 E175910
APPLICATIONS
 High Brightness Displays
 Portable Instrumentation
 Desktop Displays
 Industrial Display Controls
BENEFITS
 Compact, Low Profile Design
 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
W
S E L E C T A B L E M A X IM U M O U T P U T C U R R E N T 5 M A
TO 8 M A RM S
PART NUMBER
LXM1624-12-61
LXM1624-12-62
LXM1624-12-63
Copyright © 2002
Rev. 1.0c, 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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