LXM1618-12-6X Datasheet, PDF (1/6 Pages) Microsemi Corporation – 12V 6W CCFL Programmable Inverter Module

PanelMatch™
LXM1618-12-6x
INTEGRATED PRODUCTS
12V 6W CCFL Programmable Inverter Module
PRODUCTION DATASHEET
DESCRIPTION
The LXM1618-12-6x is a Single For applications not requiring wide
Output 6W 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 12.1” to 15” panels.
particularly well suited for current
The maximum output current is amplitude dimming.
externally programmable over a range of 5 The modules convert a DC voltage
to 8mA in 1mA steps to allow the inverter from the system battery or AC adapter
to properly match to a wide array of LCD directly to high frequency, high-voltage
panel lamp current specifications. The waves required to ignite and operate
modules are include a dimming input that CCFL lamps. A 5V input inverter is also
permits brightness control from either a available (LXM1618-05-6x).
DC voltage source, a PWM signal or an The inverter’s design is based on
external potentiometer.
Microsemi’s new LX1689 backlight
LXM1618 modules unlike the controller, which provides a number of
LXM1617 series does not provide wide cost and performance advantages due to
range ‘burst’ mode dimming, rather the controller’s high level of integration.
dimming is provided by amplitude control Other benefits of this new topology
of the output current waveform, this limits are stable fixed-frequency operation,
the potential dim range to typically less secondary-side strike-voltage regulation
than 5:1.
and both open and 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
U N IV E R S A L D IM M IN G IN P U T
"P W M ", V _DC , O R P O T E N T IO M E T E R
KEY FEATURES
ƒ Externally Programmable
Maximum Output Current
ƒ Easy to Use Brightness
Control
ƒ Output Short-Circuit
Protection and Automatic
Strike-Voltage Regulation
and Timeout
ƒ Analog Current Amplitude
Dimming Method
ƒ Fixed Frequency Operation
ƒ Rated From -20 to 70°C
ƒ UL60950 E175910
APPLICATIONS
ƒ Notebook Computers
ƒ Portable Instrumentation
ƒ Desktop Displays
ƒ Industrial Display Controls
ƒ STN Topology LCD Panels
BENEFITS
ƒ Compact, Low Profile Design
ƒ Mates to Wide Variety of
LCD Panels
ƒ Output Open Circuit Voltage
Regulation Minimizes
Corona Discharge For High
Reliability
DC Voltage
Source
P o ten tio m eter
PWM
Signal
W
S E L E C T A B LE M A X IM U M O U P U T C U R R E N T 5 M A T O
8M A _RMS
PACKAGE ORDER INFO
PART NUMBER
LXM1618-12-61
LXM1618-12-62
LXM1618-12-63
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
Copyright © 2002
Rev. 1.0b, 2005-01-17
Microsemi
Integrated Products
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
Page 1