LXM1617-03-2X Datasheet, PDF (1/6 Pages) Microsemi Corporation – 3.3V 2.2W CCFL Programmable Inverter Module

PanelMatch™
LXM1617-03-2x
INTEGRATED PRODUCTS
3.3V 2.2W CCFL Programmable Inverter Module
PRODUCTION DATASHEET
DESCRIPTION
The LXM1617-03-2x is a Single The resultant “burst drive” that
Output 2.2W 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 3.9” to 6.4” 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 available (LXM1617-05-2x).
3.5 to 5mA in 0.5mA steps to allow the The modules design is based on
inverter to properly match to a wide array Microsemi’s 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 controller’s 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 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
"PW M ",
V,
DC
OR
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
ƒ RangeMAX Wide Range
Dimming
ƒ Regulation and Timeout Rated
From -20 to 70°C
ƒ UL60950 E175910
APPLICATIONS
ƒ PDA’s
ƒ Portable Instrumentation
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
Po ten tio m eter
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}
PACKAGE ORDER INFO
PART NUMBER
LXM1617-03-21
LXM1617-03-22
LXM1617-03-23
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, 2005-01-14
Microsemi
Integrated Products
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
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