- 您現(xiàn)在的位置：買(mǎi)賣(mài)IC網(wǎng) > PDF目錄384701 > MAX754EPE (MAXIM INTEGRATED PRODUCTS INC) Dual 2-Line To 4-Line Decoders/Demultiplexers 20-LCCC -55 to 125 PDF資料下載
參數(shù)資料
| 型號(hào)： | MAX754EPE |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類(lèi)： | 穩(wěn)壓器 |
| 英文描述： | Dual 2-Line To 4-Line Decoders/Demultiplexers 20-LCCC -55 to 125 |
| 中文描述： | FLUORESCENT LIGHT CONTROLLER, 80 kHz SWITCHING FREQ-MAX, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁(yè)數(shù)： | 11/16頁(yè) |
| 文件大?。?/td> | 103K |
| 代理商： | MAX754EPE |
第1頁(yè)第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)當(dāng)前第11頁(yè)第12頁(yè)第13頁(yè)第14頁(yè)第15頁(yè)第16頁(yè)
M
CCFL Bac klight and
LCD Contrast Controllers
______________________________________________________________________________________
11
Table 3. Spreadsheet Design Equations
T1 Center-Tap Peak Voltage
PARAMETER
SYMBOL
MIN
TYP
MAX
V
TAP,PK
Strike Voltage (V
S
)
V
S,RMS
1100
1500
= -SQRT(2) * I
LAMP,RMS(max)
/
(C
BAL
* w * SIN(phi)) / n
Discharging Tube Voltage (V
L
)
LCD Contrast Voltage Specifications
V
LAMP,RMS
435
Bias Voltage
Output Current
Royer Specifications
V
LCD
I
LCD
= V
LCD(max)
/ 2
0.0245
32.6
T1 Turns Ratio (Sec/Pri)
T1 Resonating Inductance
C9 Value
C10 Value
Royer Frequency
MAX754 Specifications
n
171
L
MAG
C
RES
C
BAL
w
0.000045
2.2E-07
1.5E-11
= SQRT [1 / (L
MAG
*C
RES
)]
Reference Voltage
Second Volts Constant
CCFL Circuit Calculations
V
REF
sV
1.25
0.000008
2.4E-05
R8 Current-Sensing Resistor
R8
= PI() * V
REF
* SQRT(2) /
(2 * I
LAMP,RMS(max)
)
Secondary Voltage Phase vs. Tube
Voltage
phi
= ATAN (-I
LAMP,RMS(max)
/
(C
BAL
* w * + V
LAMP,RMS
)
Secondary Limit Voltage
T1 Center-Tap Limit Peak Voltage
R5/R6
LCD Circuit Calculations
V
LIM
= V
S,RMS(max)
* 0.9
= SQRT(2) * V
LIM
/ n
= V
REF
/ (D25 - 0.6 - V
REF
)
R
OTP,RATIO
V
IN(min)
Full-Load Switching Period
T
FL
= sV(min) / V
IN(min)
+ sV(min) /
(V
LCD(max)
- V
IN(min)
)
L2 Inductance
L2
= L2(max) *0.8
= sV(min) ^ 2 / (2 * T
FL
*
V
LCD(max)
* I
LCD(min)
)
L2 Peak Currrent
R4/R3
Application Circuit Operating Range
= sV(max) / L2(min)
R
LCD,RATIO
= V
REF
/ (V
LCD(max)
- V
REF
)
Input Voltage
V
IN
= (2 / PI()) * V
TAP,PK
18
Discharging Tube Current (I
L
)
I
LAMP,RMS
= 0.28 *
I
LAMP,RMS(max)
0.005
CCFL Specifications
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX754ESE | Dual 2-Line To 4-Line Decoders/Demultiplexers 16-CDIP -55 to 125 |
| MAX757CPA | 10-Line To 4-Line And 8-Line To 3-Line Priority Encoders 16-CDIP -55 to 125 |
| MAX756-MAX757 | 3.3V/5V/Adjustable-Output, Step-Up DC-DC Converters |
| MAX756EPA | 3.3V/5V/Adjustable-Output, Step-Up DC-DC Converters |
| MAX757CSA | 10-Line To 4-Line And 8-Line To 3-Line Priority Encoders 16-CFP -55 to 125 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX754EPE+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX754ESE | 功能描述:顯示驅(qū)動(dòng)器和控制器 RoHS:否 制造商:Panasonic Electronic Components 工作電源電壓:2.7 V to 5.5 V 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel |
| MAX754ESE+ | 功能描述:顯示驅(qū)動(dòng)器和控制器 CCFL Backlight & LCD Neg Contrast Ctlr RoHS:否 制造商:Panasonic Electronic Components 工作電源電壓:2.7 V to 5.5 V 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel |
| MAX754ESE+T | 功能描述:顯示驅(qū)動(dòng)器和控制器 CCFL Backlight & LCD Neg Contrast Ctlr RoHS:否 制造商:Panasonic Electronic Components 工作電源電壓:2.7 V to 5.5 V 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel |
| MAX754ESE-T | 功能描述:顯示驅(qū)動(dòng)器和控制器 RoHS:否 制造商:Panasonic Electronic Components 工作電源電壓:2.7 V to 5.5 V 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。