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LMX1622-05-01 bảng dữ liệu(PDF) 6 Page - Microsemi Corporation

tên linh kiện LMX1622-05-01
Giải thích chi tiết về linh kiện  DUAL 5W, DIGITAL DIMMING CCFL INVERTER MODULE
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nhà sản xuất  MICROSEMI [Microsemi Corporation]
Trang chủ  http://www.microsemi.com
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LMX1622-05-01 bảng dữ liệu(HTML) 6 Page - Microsemi Corporation

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Microsemi
Linfinity Microelectronics Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 6
Copyright
© 2000
Rev. 0.5,2001-01-18
RangeMAX
LXM1622-05-xx
DUAL 5W, DIGITAL DIMMING CCFL INVERTER MODULE
PRELIMINARY DATA SHEET
A
M I CROSEM I
COM P A N Y

'##
'## (( )*
)* ((  
   +
 +
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:
Add R18
Output Current
Resistor Value
6.5mArms
Not used
6.0mArms
1.0M 5%
5.5mArms
422K 1%
5.0mArms
267K 1%
4.5mArms
178K 1%
4.0mArms
121K 1%
3.5mArms
88.7K 1%
3.0mArms
68.1K 1%
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:
Add R18
Output Current
Resistor Value
5.5mArms
Not used
5.0mArms
845K 1%,
4.5mArms
374K 1%,
4.0mArms
232K 1%
3.5mArms
127K 1%,
3.0mArms
71.5K 1%
Change R35
Output Current
Resistor Value
5.5mArms
576 1% (stock value)
6.0mArms
499 1%
6.5mArms
442 1%
   
        
     

The LMX1622-05-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.
 
  

R4 5
R5 0
C1 7
Q4
R3 0
C2 0
R3 6
R3 7
U5
R4 4
R4 9
C1 0
R1 7
C9
RJ5
RJ6
R1 9
U1
C1 1
R1 4
R1 6
C8
C7
C5
R8
C4
R7
R6
C1
RJ1
R1 0
R9
C1 2
C1 3
C1 4
C1 5
C1 6
R1 8
CN 1
R2 3
R2 0
R2 2
T1
U2
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.


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