LXM1622-05-XX Datasheet, PDF (1/6 Pages) Microsemi Corporation – DUAL 5W, DIGITAL DIMMING CCFL INVERTER MODULE

  ^{RangeMAX™}
LXM1622-05-xx
DUAL 5W, DIGITAL DIMMING CCFL INVERTER MODULE
A MICROSEMI COMPANY
PRELIMINARY DATA SHEET


RangeMAX™ Wide Range Dimming, ^{The resultant “burst drive” that}
Dual Output Inverter. The LMX1622 energizes the lamp was designed
series of Direct Drive CCFL (Cold specifically to ensure that no premature
Cathode Fluorescent Lamp) Inverter lamp degradation occurs (See the “How
Modules are specifically designed for RangeMAX Works” section).
driving two lamp LCD displays. They are Input Voltage Range. The modules
available in two power and input voltage convert the DC voltage from a fixed 5V
ranges.
supply directly to high-frequency, high-
LMX1622 modules provide the voltage waves required to ignite and
designer a vastly superior display bright- operate CCFL lamps. A 12V input
ness range. This brightness range is inverter is also available; LXM1612-12
achievable with virtually any LCD series.
display.
Direct Drive Technology. The
RangeMAX Digital Dimming ^{modules design is based on a new Direct}
Technique. Digital dimming provides Drive topology, which provides a number
flicker-free brightness control in any wide of cost and performance advantages.
range (100:1+) dimming application.
Additional Features. Other benefits
The modules are available with a dim- of this new topology are fixed-frequency
ming input that permits brightness control operation, secondary-side strike-voltage
from either a DC voltage source or regulation, and both open and shorted
a PWM signal.
lamp protection. If lamp fails to strike the
inverter will timeout and shutdown.
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com

 
 

RangeMAX Wide Range
Dimming

Fixed 5V input

Easy to Use Brightness Control

Output Short-Circuit Protection
and Automatic Strike-Voltage
Regulation and Timeout

Fixed Frequency Operation

Microamp SLEEP mode
 

Notebook Sub-Notebook
Computers

Portable Instrumentation

Low Ambient Light
 

Smooth, Flicker Free 1-100%
Full-Range Brightness Control

Output Open Circuit Voltage
Regulation Minimizes Corona
Discharge For High Reliability

Power Efficient, “Low
Brightness” Capability Allows
For Advanced Power
Management
D C V o lta g e
S o urce
P o te n tio m e te r
PW M
S ig n a l
BRITE




        

 
    
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PART NUMBER LAMP CURRENT
LMX1622-05-01
LMX1622-05-02
LMX1622-05-03
6.5mA
5.5mA
5.5mA
LAMP RUN
VOLTAGE
500-750
350-550
350-550
OUTPUT CONNECTOR
JST SM02(8.0)B-BHS-1-TB
JST SM02(8.0)B-BHS-1-TB
Honda QZ-19-A3MYL #02
INVERTER MATES DIRECTLY
TO PANEL CONNECTORS
BHR-03VS-1
BHR-03VS-1
QZ-19-3F01
Copyright © 2000
Rev. 0.5,2001-01-18
Microsemi
Linfinity Microelectronics Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
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