LMX1622-05-01 Microsemi Corporation, LMX1622-05-01 Datasheet - Page 6

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LMX1622-05-01

Manufacturer Part Number
LMX1622-05-01
Description
DUAL 5W / DIGITAL DIMMING CCFL INVERTER MODULE
Manufacturer
Microsemi Corporation
Datasheet
Copyright
Rev. 0.5,2001-01-18
A
The LMX1622-05-01 output current can be adjusted
lower by changing the value of one resistor (R18) on
the PCB. The following table shows the new output
current values:
The LMX1622-05-xx comes with a built in 5K pull-up
resistor to allow the use of an external potentiometer
for brightness adjust.
resistor may interfere with those driving the BRITE
M I C R O S E M I
2000
Output Current

6.5mArms
6.0mArms
5.5mArms
5.0mArms
4.5mArms
4.0mArms
3.5mArms
3.0mArms

Preliminary Data – Information contained in this document is pre-production data and is proprietary to LinFinity. It
may not be modified in any way without the express written consent of LinFinity. Product referred to herein is offered
in sample form only and LinFinity reserves the right to change or discontinue this proposed product at any time.
              
                             
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Add R18
In some cases this pull-up
    ' # #
    ' # # ( ( ) * ) * ( (       
C O M P A N Y
Resistor Value
R 36
R 37
88.7K 1%
68.1K 1%
1.0M 5%
422K 1%
267K 1%
178K 1%
121K 1%
Not used
R 30
C 20
T1
Q 4
Linfinity Microelectronics Division
     
          
               +   

Microsemi
U 2
                   
RangeMAX
R 23
R 22
R 20
U 5
The LMX1622-05-02,03 output current can be adjusted
lower by changing the value of one resistor (R18) on the
PCB. Changing the value of R35 can also increase the
output current. The following table shows the new output
current values:
input from a high impedance. In this case the internal pull-
up resistor R44 may be removed from the board. Please
use the drawing below to help locate the specified resistor.
R 4 4
R 50
R 45
R 17
D
R 49
C 10
UAL
    
        +   
C 9
R 7
5W, D
C 7
R 16
C 8
C 11
R 14
Output Current
Output Current
R J 5
P
R 6
R 8
5.5mArms
5.0mArms
4.5mArms
4.0mArms
3.5mArms
3.0mArms
5.5mArms
6.0mArms
6.5mArms
RELIMINARY
R J 6
IGITAL
C N 1
C 5
U 1
R 19
C 4
C 1
D
R J 1
IMMING
R 9
C 16
C 17
R 1 8
Change R35
C 12
C 13
C 14
C 15
R 10
Add R18
D
CCFL I
    
ATA
S
LXM1622-05-xx
NVERTER
576 1% (stock value)
HEET
Resistor Value
Resistor Value
845K 1%,
374K 1%,
127K 1%,
71.5K 1%
232K 1%
Not used
499 1%
442 1%
M
ODULE
Page 6

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