LXM1618-05-2X Datasheet, PDF (1/6 Pages) Microsemi Corporation – 5V 2.2W CCFL Programmable Inverter Module

PanelMatch™
LXM1618-05-2x
INTEGRATED PRODUCTS
5V 2.2W CCFL Programmable Inverter Module
PRODUCTION DATASHEET
DESCRIPTION
The LXM1618-05-2x is a Single For applications not requiring wide
Output 2.2W 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 3.9” to 6.4” panels.
particularly well suited for current
The maximum output current is amplitude dimming.
externally programmable over a range of The modules convert DC voltage from
3.5 to 5mA in 0.5mA steps to allow the the system battery or AC adapter directly
inverter to properly match to a wide array to high frequency, high-voltage waves
of LCD panel lamp current specifications. required to ignite and operate CCFL
The modules are include a dimming input lamps. A 3.3V input inverter is also
that permits brightness control from either available (LXM1618-03-2x).
a DC voltage source, a PWM signal or an The modules 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 PDA’s
ƒ Portable Instrumentation
ƒ Industrial Display Controls
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 ote n tio m ete r
PWM
Signal
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
3 .5 M A T O 5 M A _{RM S}
PART NUMBER
LXM1618-05-21
LXM1618-05-22
LXM1618-05-23
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: [phone]
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