LXM1622-12-01 Microsemi Analog Mixed Signal Group, LXM1622-12-01 Datasheet - Page 6

• Manufacturer Part Number: LXM1622-12-01
• Description: MOD INVERTER CCFL DIM DUAL 5W
• Manufacturer: Microsemi Analog Mixed Signal Group
• Series: LXM1622r
• Type: Inverters for CCFL and UV Lampsr

Specifications of LXM1622-12-01

• Voltage - Input: 12V
• Output: 1800V
• Size / Dimension: 4.88" L x 1.26" W x 0.30" H (124mm x 32mm x 7.6mm)
• Mounting Type: Chassis Mount
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Copyright © 2000
Rev. 1.0, 2005-02-07
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:
The LMX1622-12-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
I N T E G R A T E D
Output Current
6.5mArms
6.0mArms
5.5mArms
5.0mArms
4.5mArms
4.0mArms
3.5mArms
3.0mArms
D R I V I N G T H E B R I T E I N P U T F R O M A H I G H I M P E A D A N C E
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
Add R18
In some cases this pull-up
L M X 1 6 2 2 - 1 2 - X X O U T P U T C U R R E N T A D J U S T
Resistor Value
R36
R37
P R O D U C T S
88.7K 1%
68.1K 1%
1.0M 5%
422K 1%
267K 1%
178K 1%
121K 1%
Not used
R30
C20
T1
Q4
C O M P O N E N T D R A W I N G
Integrated Products
Microsemi
U2
RangeMAX™
R23
R22
R20
U5
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.
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:
R45
R44
R50
R17
D
R49
C10
UAL
C9
R7
5W, D
C7
R16
C8
R14
C11
Output Current
Output Current
RJ5
P
R6
R8
5.5mArms
5.0mArms
4.5mArms
4.0mArms
3.5mArms
3.0mArms
5.5mArms
6.0mArms
6.5mArms
RODUCTION
RJ6
IGITAL
CN1
C5
Not recommended for new design
U1
R19
C4
C1
D
RJ1
IMMING
R9
C16
C17
R18
Change R35
C12
C13
C14
C15
R10
Add R18
D
CCFL I
ATA
S
LXM1622-12-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