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參數資料
| 型號： | MAX753 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Quadruple 2-Input Positive-NAND Schmitt Triggers 14-CDIP -55 to 125 |
| 中文描述： | CCFL背光燈及LCD對比度控制負壓控制器 |
| 文件頁數： | 1/16頁 |
| 文件大小： | 103K |
| 代理商： | MAX753 |
_______________General Desc ription
The MAX753/MAX754 drive cold-cathode fluorescent
lamps (CCFLs) and provide the LCD backplane bias
(contrast) power for color or monochrome LCD panels.
These ICs are designed specifically for backlit note-
book-computer applications.
Both the backplane bias and the CCFL supply can be
shut down independently. When both sections are shut
down, supply current drops to 25μA. The LCD contrast
and CCFL brightness can be adjusted by clocking sep-
arate digital inputs or using external potentiometers.
LCD contrast and backlight brightness settings are pre-
served in their respective counters while in shutdown.
On power-up, the LCD contrast counter and CCFL
brightness counter are set to one-half scale.
The ICs are powered from a regulated 5V supply. The
magnetics are connected directly to the battery, for
maximum power efficiency.
The CCFL driver uses a Royer-type resonant architec-
ture. It can provide from 100mW to 6W of power to one
or two tubes. The MAX753 provides a negative LCD
bias voltage; the MAX754 provides a positive LCD bias
voltage.
________________________Applic ations
Notebook Computers
Palmtop Computers
Pen-Based Data Systems
Personal Digital Assistants
Portable Data-Collection Terminals
____________________________Features
o
Drives Backplane and Backlight
o
4V to 30V Battery Voltage Range
o
Low 500μA Supply Current
o
Digital or Potentiometer Control of CCFL
Brightness and LCD Bias Voltage
o
Negative LCD Contrast (MAX753)
o
Positive LCD Contrast (MAX754)
o
Independent Shutdown of Backlight and
Backplane Sections
o
25μA Shutdown Supply Current
______________Ordering Information
*Contact factory for dice specifications.
M
CCFL Bac klight and
LCD Contrast Controllers
________________________________________________________________ Maxim Integrated Products
Call toll free 1-800-998-8800 for free samples or literature.
1
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
LFB
BATT
LX
LDRV
CON
LON
LADJ
V
DD
MAX753
MAX754
PGND
CDRV
CS
CC
CFB
REF
GND
CADJ
DIP/SO
TOP VIEW
__________________Pin Configuration
19-0197; Rev 1; 1/95
PART
MAX753
CPE
MAX753CSE
MAX753C/D
MAX753EPE
MAX753ESE
MAX754
CPE
MAX754CSE
MAX754C/D
MAX754EPE
MAX754ESE
TEMP. RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
Dice*
16 Plastic DIP
16 Narrow SO
16 Plastic DIP
PIN-PACKAGE
16 Narrow SO
16 Plastic DIP
Dice*
16 Plastic DIP
16 Narrow SO
16 Narrow SO
Block Diagram located at end of data sheet.
相關PDF資料 |
PDF描述 |
|---|---|
| MAX753CPE | 3-Line To 8-Line Decoders/Demultiplexers 16-CFP -55 to 125 |
| MAX753CSE | Dual 2-Line To 4-Line Decoders/Demultiplexers 20-LCCC -55 to 125 |
| MAX753EPE | Dual 2-Line To 4-Line Decoders/Demultiplexers 16-CDIP -55 to 125 |
| MAX753ESE | Dual 2-Line To 4-Line Decoders/Demultiplexers 16-CFP -55 to 125 |
| MAX754CPE | Dual 2-Line To 4-Line Decoders/Demultiplexers 16-CFP -55 to 125 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX753CPE | 功能描述:顯示驅動器和控制器 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: 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel |
| MAX753CPE+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX753CSE | 功能描述:顯示驅動器和控制器 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: 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel |
| MAX753CSE+ | 功能描述:顯示驅動器和控制器 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: 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel |
| MAX753CSE+T | 功能描述:顯示驅動器和控制器 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: 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel |
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