LXMG1628-12-6X Datasheet, PDF (1/6 Pages) Microsemi Corporation – 12V Dual 6W Programmable CCFL Inverter Module

PanelMatch™
LXMG1628-12-6x
TM
®
12V Dual 6W Programmable CCFL Inverter Module
PRODUCTION DATASHEET
DESCRIPTION
The LXMG1628-12-6x is a Dual 6W amplitude control results in lower ripple
Output Direct Drive™ CCFL (Cold on the input supply and reduced potential
Cathode Fluorescent Lamp) Inverter transient noise generation. Many STN
Module specifically designed for driving type panels are particularly well suited for
LCD backlight lamps. It is ideal for current amplitude dimming.
driving typical 10.4” to 15” TFT panels.
The modules convert the DC voltage
The LXMG1628 modules are available from the system battery or AC adapter
with a dimming input that permits directly to the high frequency, high-
brightness control from a DC voltage voltage waves required to ignite and
source, a PWM signal, or external operate CCFL lamps. A 5V input wide
potentiometer. The maximum output dimming inverter is also available
current is externally programmable over a (LXMG1627-05-6x), as well as a 4W
range of 5mA to 8mA in 1mA steps to version (LXMG1628-12-4x) for driving
allow the inverter to properly match to a smaller lower power/voltage panels.
wide array of LCD panel lamp current The inverter’s design is based on
specifications.
Microsemi’s newer backlight controller,
LXMG1628 modules unlike the which provides a number of cost and
LXMG1627 series does not provide wide performance advantages due to the
range ‘burst’ mode dimming, rather controller’s high level of integration.
dimming is provided by amplitude control Other benefits of this new topology
of the output current waveform, and this are stable fixed-frequency operation,
limits the potential dim range to typically secondary-side strike-voltage regulation
less than 3:1. For applications not and both open and short protection with
requiring wide range dimming, current 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
KEY FEATURES
ƒ Externally Programmable
Maximum Output Current
ƒ Easy to Use Brightness Control
ƒ Analog Current Amplitude
Dimming Method
ƒ Output Open/Short-Circuit
Protection and Automatic Strike-
Voltage Regulation and Timeout
ƒ Fixed Frequency Operation
ƒ Rated From -30°C to 80°C
ƒ UL60950 E175910 Pending
ƒ RoHS Compliant
APPLICATIONS
ƒ High Brightness Displays
ƒ Portable Instrumentation
ƒ Desktop Displays
ƒ Industrial Display Controls
BENEFITS
ƒ Compact, Low Profile Design
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
PRODUCT HIGHLIGHT
UNIVERSAL DIMMING INPUT
“PWM”, VDC, or POTENTIOMETER
DC Voltage
Source
Potentiometer
PWM
Signal
W
SELECTABLE MAXIMUM OUTPUT
CURRENT 5mARMS TO 8mARMS
PART NUMBER
LXMG1628-12-61
LXMG1628-12-62
PACKAGE ORDER INFO
OUTPUT CONNECTOR
JST SM02(8.0)B-BHS-1-TB(LF)(SN) or Yeon Ho 20015WR-05A00
JST SM02B-BHSS-1-TB(LF)(SN) or Yeon Ho 35001WR-02A00
INVERTER MATES DIRECTLY TO
PANEL CONNECTORS
JST BHR-03VS-1
JST BHSR-02VS-1
Copyright © 2008
Rev. 1.0, 2008-12-03
Microsemi
Analog Mixed Signal Group
11861 Western Avenue, Garden Grove, CA. 92841, 800-877-6458, 714-898-8121, Fax: [phone]
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