參數(shù)資料
型號(hào)： LX1688
廠商： Microsemi Corporation
英文描述： MULTIPLE LAMP CCFL CONTROLLER
中文描述： 多燈CCFL控制器
文件頁(yè)數(shù)： 12/15頁(yè)
文件大小： 624K
代理商： LX1688
Microsemi
Integrated Products, Power Management
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 12
Copyright
2001
Rev. 1.1a, 2003-03-21
W
M
.
C
RangeMAX
LX1688
M
ULTIPLE
L
AMP
CCFL
C
ONTROLLER
I N T E G R A T E D P R O D U C T S
A P P L I C A T I O N I N F O R M A T I O N
( C O N T I N U E D )
Multiple Lamp Sync
The figure 3 shows the sync signals (PHA_SYNC and
RMP_RST) timing relationship to Gate signal AOUT,
for the master module. AOUT and PHA_SYNC running
at the same frequency and RMP_RST signal has the
twice frequency.
Figure 3
-
Sync signals-Timing relationship to A
OUT
CH2= A
OUT
(Master), CH3=PHA_SYNC,
CH4=RMP_RST
Strike Mode
Every IC includes a separate strike controller that operates
from the primary oscillator; therefore the strike controller is
independent of the sync signals. The following oscilloscope
waveform picture is taken when the master module is on
striking mode and the salves are on running mode.
Figure 5
-
Master is in striking mode while slaves are in
running mode CH2= A
OUT
(Master),
CH3=A
OUT
(Slave1), CH4=A
OUT
(Slave2)
Output Drivers
The figure 4 shows the gate signals of the modules,
which are operating, in running mode during digital
dimming with 95% duty cycle. As shown all signals are
synchronized. The difference between each signal’s duty
cycles is because each lamp has an independent control
loop.
Figure 4
-
Output drivers of both Master
and Slaves.
CH2=A
OUT
(Master),
CH3=A
OUT
(Slave1),
CH4=A
OUT
(Slave2)
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
LX1688_06 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:Multiple Lamp CCFL Controller
LX1688CPW 功能描述:IC CTRLR CCFL BACKLIGHT 24TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 照明，鎮(zhèn)流器控制器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:CCFL 控制器 頻率:40 ~ 80 kHz 電流 - 電源:5mA 電流 - 輸出:- 電源電壓:4.5 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC 包裝:帶卷 (TR) 其它名稱:90-3991V+V01
LX1688CPW-TR 制造商:Microsemi Corporation 功能描述:CCFL DRVR 5.5V 24TSSOP - Tape and Reel
LX1688IPW 功能描述:IC CTRLR CCFL BACKLIGHT 24TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 照明，鎮(zhèn)流器控制器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:CCFL 控制器 頻率:40 ~ 80 kHz 電流 - 電源:5mA 電流 - 輸出:- 電源電壓:4.5 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC 包裝:帶卷 (TR) 其它名稱:90-3991V+V01
LX1688IPW-TR 制造商:Microsemi Corporation 功能描述:CCFL Controller 3.3V/5V 24-Pin TSSOP T/R 制造商:Microsemi Corporation 功能描述:CCFL DRVR 5.5V 24TSSOP - Tape and Reel
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