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LXMG1617-12-6X
LXMG1617-12-6X
PanelMatch LXMG1617-12-6x
12V 6W CCFL Programmable Inverter Module
TM
PRODUCTION DATASHEET
DESCRIPTION KEY FEATURES
The LXMG1617-12-6x is a Single The resultant burst drive that
Externally Programmable
Maximum Output Current
Output 6W Direct Drive CCFL (Cold energizes the lamp was designed
Easy to Use Brightness Control
Cathode Fluorescent Lamp) Inverter
specifically to ensure that no premature
Fixed Frequency Operation
Module specifically designed for driving lamp degradation occurs, while allowing
Output Short-Circuit Protection
LCD backlight lamps. It is ideal for
significant power savings at lower dim
and Automatic Strike-Voltage
driving typical 12.1 to 15 TFT panels. levels.
Regulation and Timeout
LXMG1617 modules provide the The modules convert DC voltage from
RangeMAX Wide Range
Dimming
designer with a vastly superior display the system battery or AC adapter directly
Rated From -20 to 70C
brightness range. This brightness range is
to high frequency, high-voltage waves
UL60950 E175910
achievable with virtually any LCD display. required to ignite and operate CCFL
RoHS Compliant
The maximum output current is
lamps. A 5V input inverter is also
externally programmable over a range of 5 available (LXMG1617-05-6x).
APPLICATIONS
to 8mA in 1mA steps to allow the inverter
The modules design is based on
Notebook And Sub-Notebook
to properly match to a wide array of LCD Microsemis new LX1689 backlight
Portable Instrumentation
panel lamp current specifications. The controller, which provides a number of
Desktop Displays
modules include a dimming input that cost and performance advantages due to
Industrial Display Controls
permits brightness control from a dc
the controllers high level of integration.
BENEFITS
voltage source, a PWM signal or an Other benefits of this new topology
external potentiometer.
are stable fixed-frequency operation,
Smooth, Flicker Free 2%-100%
RangeMAX Digital Dimming secondary-side strike-voltage regulation Full-Range Brightness Control
Programmable output current
Technique provides flicker-free brightness
and both open/shorted lamp protection
allows inverter to mate with a
control in any wide range typically (50:1+) with fault timeout.
wide variety of LCD panels
dimming application.
specifications
Output Open Circuit Voltage
IMPORTANT: For the most current data, consult MICROSEMIs website: WWW.Microsemi .COM
E
ELLEECCTTRRIICCAALLSS
PanelMatch LXMG1617-12-6x
12V 6W CCFL Programmable Inverter Module
TM
PRODUCTION DATASHEET
ABSOLUTE MAXIMUM RATINGS (NOTE 1)
Input Signal Voltage (V ).....................................................................................................................................-0.3V to 15V
IN1
Input Power.................................................................................................................................................................... 8.25W
Output Voltage, no load ............................................................................................................ Internally Limited to 1800V
RMS
Output Current .............................................................................................................................10mA (Internally Limited)
RMS
Output Power ................................................................................................................................................................... 6.0W
Input Signal Voltage ( SLEEP Input)..................................................................................................................... -0.3V to V
IN1
Input Signal Voltage (BRITE) ...............................................................................................................................-0.3V to 5.5V
Ambient Operating Temperature, zero airflow.....................................................................................................-20C to 70C
Storage Temperature Range...............................................................................................................................-40C to 85C
Note 1: Exceeding these ratings could cause damage to the device. All voltages are with respect to Ground. Currents are positive into, negative out of specified
terminal.
RECOMMENDED OPERATING CONDITIONS (R.C.)
This module has been designed to operate over a wide range of input and output conditions. However, best efficiency and performance
will be obtained if the module is operated under the condition listed in the R.C. column. Min. and Max. columns indicate values beyond
which the inverter, although operational, will not function optimally.
Recommended Operating Conditions
Parameter Symbol Units
Min R.C. Max
Input Supply Voltage Range (Fully Regulated
10.8 12 13.2
Lamp Current) V V
IN1
Input Supply Voltage Range (Functional) 10.2 12 13.8
Output Power P 6.0 W
O
Linear BRITE Control Input Voltage Range V 0.5 2.0 V
BRT_ADJ
Lamp Operating Voltage V 545 640 735* V
LAMP RMS
Lamp Current (Full Brightness) I 5 8 mA
OLAMP RMS
Operating Ambient Temperature Range T -20 70 C
A
* Total output power must not exceed 6W. Higher voltage lamps may require maximum output current to be set lower than 8mA
RMS
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, the following specifications apply over the recommended operating condition and ambient temperature of
25C except where otherwise noted.
LXMG1617-12-6x
Parameter Symbol Test Conditions Units
Min Typ Max
OUTPUT PIN CHARACTERISTICS
`
V > 2.0V , > 2.0V, V = 12V
BRT_ADJ DC SLEEP IN1 DC
Full Bright Lamp Current I 4.4 5 5.6 mA
L(MAX) RMS
I = Ground, I = Ground
SET1 SET2
V > 2.0V , > 2.0V, V = 12V
BRT_ADJ DC SLEEP IN1 DC
Full Bright Lamp Current I 5.4 6 6.6 mA
L(MAX) RMS
I = Ground, I = Open
SET1 SET2
V > 2.0V , > 2.0V, V = 12V
BRT_ADJ DC SLEEP IN1 DC
Full Bright Lamp Current I 6.4 7 7.6 mA
L(MAX) RMS
I = Open, I = Ground
SET1 SET2
> 2.0V , > 2.0V, V = 12V
V SLEEP
BRT_ADJ DC IN1 DC
Full Bright Lamp Current I 7.4 8 8.6 mA
L(MAX) RMS
I = Open, I = Open
SET1 SET2
Min. Average Lamp Current V 0.5V , > 2.0V, V = 12V
BRT_ADJ DC SLEEP IN1 DC
I 0.30 mA
L(MIN) RMS
I = I = Ground
SET1 SET2
Lamp Start Voltage V -20C < T < 70C, V > 10.8V 1400 1650 V
LS A IN1 DC RMS
Operating Frequency f V = 2.5V , > 2.0V, V = 12V 57 60 63 kHz
O BRT_ADJ DC SLEEP IN1
Burst Frequency f Output Burst Frequency 222 234 246 Hz
BURST
Copyright 2002
Microsemi
Page 2
Rev. 1.1, 2006-11-13
Integrated Products
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Obsolete