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LMX1622-12-01

Description
DUAL 5W, DIGITAL DIMMING CCFL INVERTER MODULE
File Size133KB,6 Pages
ManufacturerMicrosemi
Websitehttps://www.microsemi.com
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LMX1622-12-01 Overview

DUAL 5W, DIGITAL DIMMING CCFL INVERTER MODULE

A
M I C R O S E M I



C O M P A N Y
RangeMAX™
LXM1622-12-xx
D
UAL
5W, D
IGITAL
D
IMMING
CCFL I
NVERTER
M
ODULE
P
RELIMINARY
D
ATA
S
HEET

RangeMAX™ Wide Range Dimming,
Dual Output Inverter.
The LMX1622
series of Direct Drive CCFL (Cold
Cathode Fluorescent Lamp) Inverter
Modules are specifically designed for
driving two lamp LCD displays. They are
available in two power and input voltage
ranges.
LMX1622 modules provide the
designer with a vastly superior display
brightness range. This brightness range is
achievable with virtually any LCD
display
.
RangeMAX
Digital
Dimming
Technique.
Digital dimming provides
flicker-free brightness control in any wide
range (100:1+) dimming application.
The modules are available with a dim-
ming input that permits brightness control
from either a DC voltage source or
a PWM signal.
The resultant “burst drive” that
energizes the lamp was designed
specifically to ensure that no premature
lamp degradation occurs (See the “How
RangeMAX Works” section).
Input Voltage Range.
The modules
convert the DC voltage from a fixed 12V
supply directly to high frequency, high-
voltage waves required to ignite and
operate CCFL lamps. A 5V input inverter
is also available; LXM1612-05 series.
The
Direct Drive Technology.
modules design is based on a new Direct
Drive topology, which provides a number
of cost and performance advantages.
Additional Features.
Other benefits
of this new topology are fixed-frequency
operation, secondary-side strike-voltage
regulation, and both open and shorted
lamp protection. If lamp fails to strike the
inverter will timeout and shutdown.





 

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
W W W .
Microsemi
.
COM


 

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
IMPORTANT:
For the most current data, consult
MICROSEMI
’s website:
http://www.microsemi.com
  
D C V o lta g e
S o u rc e
P o te n t io m e te r
PW M
S ig n a l
BRITE
2
1
P
ART
N
UMBER
L
AMP
C
URRENT
LMX1622-12-01
LMX1622-12-02
LMX1622-12-03
Copyright
©
2000
Rev. 0.3,2001-01-18
6.5mA
5.5mA
5.5mA
Linfinity Microelectronics Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570

3
1
2
3

LXM1622-12-
XX
LXM1622-12-
XX

      
 

 

          
      

 



  
L
AMP RUN
VOLTAGE
O
UTPUT
C
ONNECTOR
JST SM02(8.0)B-BHS-1-TB
JST SM02(8.0)B-BHS-1-TB
Honda QZ-19-A3MYL #02
I
NVERTER
M
ATES
D
IRECTLY
TO
P
ANEL
C
ONNECTORS
BHR-03VS-1
BHR-03VS-1
QZ-19-3F01
Page 1
500-750
350-550
350-550
Microsemi

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