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LMX1622-12-02 View Datasheet(PDF) - Microsemi Corporation

Part Name
Description
Manufacturer
LMX1622-12-02
Microsemi
Microsemi Corporation Microsemi
LMX1622-12-02 Datasheet PDF : 6 Pages
1 2 3 4 5 6
   RangeMAX
LXM1622-12-xx
DUAL 5W, DIGITAL DIMMING CCFL INVERTER MODULE
A MICROSEMI COMPANY
PRELIMINARY DATA SHEET
'##(#(    )
The LMX1622-12-01 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:
Add R18
Output Current
6.5mArms
6.0mArms
5.5mArms
5.0mArms
4.5mArms
4.0mArms
3.5mArms
3.0mArms
Resistor Value
Not used
1.0M 5%
422K 1%
267K 1%
178K 1%
121K 1%
88.7K 1%
68.1K 1%
The LMX1622-12-02,03 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:
Add R18
Output Current
5.5mArms
5.0mArms
4.5mArms
4.0mArms
3.5mArms
3.0mArms
Resistor Value
Not used
845K 1%,
374K 1%,
232K 1%
127K 1%,
71.5K 1%
Change R35
Output Current
5.5mArms
6.0mArms
6.5mArms
Resistor Value
576 1% (stock value)
499 1%
442 1%
           
The LMX1622-12-xx comes with a built in 5K pull-up
resistor to allow the use of an external potentiometer
for brightness adjust. In some cases this pull-up
resistor may interfere with those driving the BRITE
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.
     
Copyright © 2000
Rev. 0.3,2001-01-18
T1
Q4
R36
R37
R30
C20
CN1
R22
R20
R23
C1
RJ1
R6
R10
U2
R7
R8
C4
R9
C5
R45
C7
R44
R50
R49
C8
R16
U1
U5
C10
R14
C11
R17 C9 RJ5 RJ6 R19
C12
C13
C14
C15
C16
C17
R18
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.
Microsemi
Linfinity Microelectronics Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 6
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