LXMG1645-24-53 Datasheet, PDF (1/7 Pages) Microsemi Corporation – 24V Quad 5W CCFL Inverter Module

RangeMax™ StayLIT™ LXMG1645-24-53
TM
®
24V Quad 5W CCFL Inverter Module
PRODUCTION DATA SHEET
DESCRIPTION
The LXMG1645-24-53 is a Quad 5W significant power savings at lower dim
Output CCFL (Cold Cathode Fluorescent levels.
Lamp) Inverter Module specifically The inverter also has a dedicated
designed for driving NEC NL12876BC26- FAIL pin that indicates an open/shorted
25 LCD panel or similar quad lamp panels. lamp condition. In addition when only
The inverter includes a dimming input one or two lamps on either side sustain a
that permits brightness control from a fault the lamps on the other side will
PWM signal. RangeMAX™ Digital remain in normal operation. This mode
Dimming Technique provides flicker-free of operation during lamp(s) failure is
brightness control in any wide range called StayLit™ since the panel is able to
(typically 50:1+) dimming application. still remain on although at reduced
The module converts a DC voltage brightness.
from the system battery or AC adapter The module’s design is based on
directly to high frequency, high-voltage Microsemi’s LX6512 backlight
waves required to ignite and operate CCFL controller, which provides a number of
lamps. The resultant “burst drive” that cost and performance advantages due to
energizes the lamp was designed the controller’s high level of integration.
specifically to ensure that no premature Other benefits of this new topology
lamp degradation occurs, while allowing are stable fixed-frequency operation and
secondary-side strike-voltage regulation.
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
KEY FEATURES
ƒ StayLIT™ Redundancy
ƒ PWM Brightness Control
ƒ RangeMAX™ Wide Range
Dimming
ƒ Output Short-Circuit Protection
and Automatic Strike-Voltage
Regulation
ƒ Fixed Frequency Operation
ƒ Rated From -30 to 80°C
ƒ UL 60950 Pending
ƒ RoHS Compliant
APPLICATIONS
ƒ High Brightness Displays
ƒ Desktop Displays
ƒ Medical Monitors
BENEFITS
ƒ Smooth, Flicker Free 2%-
100% Optical Brightness
Range
ƒ
Lamp
Fault
HI
Signal
HI
CN1
CN3
CN2
HI
CN4
W
MICROSEMI
CN5
W
PWM DIMMING INPUT
HI
PART NUMBER
LXMG1645-24-53
PACKAGE ORDER INFO
OUTPUT CONNECTORS
Four JST SM02(8.0)B-BHS-1-TB(LF)(SN) or Yeon Ho 20015WR-05A00
INVERTER MATES DIRECTLY
TO PANEL CONNECTORS
JST BHR-03VS-1
Copyright © 2010
Rev. 1.0, 2010-10-13
Microsemi
Analog Mixed Signal Group
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
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