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參數(shù)資料
| 型號： | MAX754 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | CCFL Backlight and LCD Contrast Controllers(CCFT背光和液晶顯示器對比度控制器（電源）) |
| 中文描述： | CCFL背光燈及LCD對比度控制負(fù)壓控制器 |
| 文件頁數(shù)： | 10/16頁 |
| 文件大?。?/td> | 137K |
| 代理商： | MAX754 |
M
CCFL Bac klight and
LCD Contrast Controllers
10
______________________________________________________________________________________
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
Strike Voltage (V
S
)
Discharging Tube Current (I
L
)
Discharging Tube Voltage (V
L
)
LCD Contrast Voltage Specifications
V
S,RMS
I
LAMP,RMS
V
LAMP,RMS
1100
0.001376
1500
0.005
V
RMS
A
RMS
V
RMS
435
Bias Voltage
Output Current
Royer Specifications
V
LCD
I
LCD
16.3
0.0245
32.6
V
A
T1 Turns Ratio (Sec/Pri) (Note 2)
T1 Resonating Inductance (Note 2)
C9 Value (Note 3)
C10 Value
Royer Frequency
MAX754 Specifications
n
171
L
MAG
C
RES
C
BAL
w
0.000045
2.2E-07
1.5E-11
317820.86
H
F
F
rad/s
Reference Voltage
Second Volts Constant
CCFL Circuit Calculations
V
REF
sV
1.25
V
sV
0.000008
2.4E-05
R8 Current-Sensing Resistor
Secondary Voltage Phase vs. Tube Voltage
T1 Center-Tap Peak Voltage
R8
phi
555.36037
-1.1776341
9.3903817
Radian
V
PEAK
Secondary Limit Voltage
T1 Center-Tap Limit Peak Voltage
R5/R6
LCD Circuit Calculations
V
LIM
1350
V
RMS
V
PEAK
/
11.164844
0.1341944
R
OTP,RATIO
V
IN(min)
Full-Load Switching Period
L2 Inductance
L2 Peak Currrent
R4/R3
Application Circuit Operating Range
T
FL
L2
1.639E-06
s
H
A
1.96E-05
2.4E-05
1.22704
R
LCD,RATIO
0.0398724
/
Input Voltage
V
IN
5.978103
18
V
Table 2. CCFL Circuit Design Example (Note 1)
V
TAP,PK
Note 1:
To perform your own calculations for the parameters given in Table 2 (Design Example), use the equations given in Table
3 (Design Equations).
T1 = Sumida’s EPS207
C9 = Wima’s SMD 7.3 __/63
Note 2:
Note 3:
CCFL Specifications
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| MAX-754-1205AP | 功能描述:線性和開關(guān)式電源 MAX750 SERIES MULTI OUTPT PWR SUPPLY 12V RoHS:否 制造商:TDK-Lambda 產(chǎn)品:Switching Supplies 開放式框架/封閉式:Enclosed 輸出功率額定值:800 W 輸入電壓:85 VAC to 265 VAC 輸出端數(shù)量:1 輸出電壓（通道 1）:20 V 輸出電流（通道 1）:40 A 商用/醫(yī)用: 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:Rack 長度: 寬度: 高度: |
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| MAX-754-1205P | 制造商:SLPOWER 制造商全稱:SL Power Electronics 功能描述:MAX-750 Multiple Output |
| MAX-754-1252 | 制造商:SLPOWER 制造商全稱:SL Power Electronics 功能描述:700, 750 WATTS MULTIPLE OUTPUT |
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