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參數(shù)資料
| 型號(hào)： | LXMG1621-04 |
| 廠商： | Microsemi Corporation |
| 英文描述： | DIGITAL DIMMING DUAL LAMP CCFL INVERTER MODULE |
| 中文描述： | 數(shù)字調(diào)光雙燈CCFL逆變模塊 |
| 文件頁(yè)數(shù)： | 8/10頁(yè) |
| 文件大?。?/td> | 317K |
| 代理商： | LXMG1621-04 |
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 8
Copyright
2005
Rev. 1.0a, 2006-11-13
W
M
.
C
RangeMAX
LXMG1621-xx
D
IGITAL
D
IMMING
D
UAL
L
AMP
CCFL
I
NVERTER
M
ODULE
P
RODUCTION
D
ATA
S
HEET
TM
H O W T H E R A N G E M A X W O R K S ( C O N T I N U E D )
HIGHLIGHTS (CONTINUED)
In applications with no access to a vertical sync, the
inverter burst frequency can be allowed to “free run” at
95Hz. In this non-synchronous mode, minor display
disturbances may be found under certain video conditions.
This performance is acceptable for many applications, but
synchronization must be used when no disturbance can be
tolerated.
Separate feedback loops for lamp current and open circuit
voltage regulation insure reliable strike under all operating
conditions, automatic over-voltage prevention with broken
or failed lamps, and accurate lamp current regulation.
T Y P I C A L A P P L I C A T I O N
The brightness control may be a simple 10k potentiometer
or a voltage output DAC. A PWM signal from a micro-
controller may also be used with a suitable filter such as
shown in figure 8.
If synchronization to the video frame rate is desired,
connect the vertical sync pulse from the system video
controller to the appropriate V
SYNC
input. If no video
synchronization is desired, connect V
SYNC
to ground.
If you need to turn the inverter ON/OFF remotely, connect
a 3V or 5V logic signal to the
SLEEP
input. If remote
ON/OFF is not needed, connect the
SLEEP
input to V
IN
or
any other voltage greater than 2.2V
DC
.
Connect V
HI
to high voltage wire from the lamp. Connect
V
LO
to the low voltage wire (wire with thinner insulation).
If both lamp wires have heavy high voltage insulation,
connect the longest wire to V
LO
. V
LO
is connected directly
to ground (GND pin) on the inverter PCB. Always insure
a good lamp return by using a wire. Do not rely on a
chassis ground connection
.
R a n g e M A X I N V E R T E R S
Also available in single lamp inverters are the
LXMG1612-12-xx or LXMG1615-xx-xx, as well as the
12V dual lamp LXMG1623-xx-xx, LXMG1622-12-xx,
and the Quad output LXMG1643-12-6x versions for
multiple lamp applications.
LXMG1621-xx
12V
V
SYNC
V
SYNC
GND
V
HI1
V
LO
BRITE
Figure 7
- Brightness Control
PWM Signal
from System
4.99k*
V
IN
SLEEP
5V
0
< 10k
2.5V
DC
V
HI2
P.W.
< 100μs
0 < P.W. < 100% of period
BRITE
LXMG1621-
xx
Figure 8
- PWM Brightness Control
4.7μF
4.99k
* use 4.99k for 5V PWM amplitude, 15k for 3.3V PWM
amplitude, and omit for 2.5V PWM amplitute.
A
P
P
L
I
C
A
T
I
O
N
S
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LXMG1621-XX | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:DIGITAL DIMMING DUAL LAMP CCFL INVERTER MODULE |
| LXMG1621-XX_10 | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:DIGITAL DIMMING DUAL LAMP CCFL INVERTER MODULE |
| LXMG1622-12-01 | 功能描述:MOD INVERTER CCFL DIM DUAL 5MA RoHS:是 類別:光電元件 >> 反相器 系列:LXMG1622 標(biāo)準(zhǔn)包裝:100 系列:- 輸入電壓:6.0V 輸出:900V 類型:用于 CCFL 和 UV 燈的逆變器 尺寸/尺寸:2.34" L x 0.35" W x 0.35" H（59.5mm x 9mm x 8.9mm） 安裝類型:底座安裝 |
| LXMG1623-05-41 | 制造商:Microsemi Corporation 功能描述:CCFL Inverter Dual Lamp 3.5W 80KHz 12-Pin 制造商:Microsemi Corporation 功能描述:CCFL INVERTER MODULE-DUAL LAMP-ROHS - Bulk 制造商:Microsemi 功能描述:CCFL Inverter Dual Lamp 3.5W 80KHz 12-Pin |
| LXMG1623-05-42 | 功能描述:MOD INVERTER CCFL DUAL 4W 5V RoHS:是 類別:光電元件 >> 反相器 系列:LXMG1623-05-4x 標(biāo)準(zhǔn)包裝:100 系列:- 輸入電壓:6.0V 輸出:900V 類型:用于 CCFL 和 UV 燈的逆變器 尺寸/尺寸:2.34" L x 0.35" W x 0.35" H（59.5mm x 9mm x 8.9mm） 安裝類型:底座安裝 |
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