LXMG1627-05-4X Datasheet, PDF (1/6 Pages) Microsemi Corporation – 5V Dual 4W Programmable CCFL Inverter Module

PanelMatch™
LXMG1627-05-4x
TM
®
5V Dual 4W Programmable CCFL Inverter Module
PRODUCTION DATASHEET
DESCRIPTION
The LXMG1627-05-4x is a Dual 4W The resultant “burst drive” that
Output 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 6.4” to 10.4” TFT panels. levels.
LXMG1627 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 modules are available with a lamps. A 12V input inverter is also
dimming input that permits brightness available (LXMG1627-12-4x), as well as
control from either a DC voltage source or 6W versions (LXMG1627-xx-6x) for
a PWM signal or external potentiometer. driving large higher voltage/power
The maximum output current is externally panels.
programmable over a range of 5mA to The module’s design is based on
6.5mA in 0.5mA steps to allow the Microsemi’s LX6512 backlight
inverter to properly match to a wide array controller, which provides a number of
of LCD panel lamp current specifications. cost and performance advantages due to
RangeMAX™ Digital Dimming the controller’s high level of integration.
Technique provides flicker-free brightness Other benefits of this new topology
control in any wide range typically (50:1+) are stable fixed-frequency operation,
dimming application.
secondary-side strike-voltage regulation
and both open and short 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
KEY FEATURES
ƒ Externally Programmable
Maximum Output Current
ƒ Easy to Use Brightness Control
ƒ RangeMAX™ Wide Range
Dimming
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 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
UNIVERSAL DIMMING
INPUT
“PWM”, VDC, or
POTENTIOMETER
CN2
DC Voltage
Source
Potentiometer
PWM
Signal
CN1
SELECTABLE MAXIMUM
OUTPUT CURRENT
5.0mARMS TO 6.5mARMS
W
CN3
PART NUMBER
LXMG1627-05-41
LXMG1627-05-42
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 © 2009
Rev. 1.0, 2009-06-18
Microsemi
Analog Mixed Signal Group
11861 Western Avenue, Garden Grove, CA. 92841, 800-877-6458, 714-898-8121, Fax: [phone]
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