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MAX754ESE

更新时间： 2024-11-23 22:55:11
品牌 Logo 应用领域
美信 - MAXIM 控制器
页数 文件大小 规格书
16页 105K
描述
CCFL Backlight and LCD Contrast Controllers

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中文翻译

获取价格

MAX754ESE 数据手册

 浏览型号MAX754ESE的Datasheet PDF文件第2页浏览型号MAX754ESE的Datasheet PDF文件第3页浏览型号MAX754ESE的Datasheet PDF文件第4页浏览型号MAX754ESE的Datasheet PDF文件第5页浏览型号MAX754ESE的Datasheet PDF文件第6页浏览型号MAX754ESE的Datasheet PDF文件第7页 
19-0197; Rev 1; 1/95  
CCFL Ba c k lig h t a n d  
LCD Co n t ra s t Co n t ro lle rs  
3/MAX754  
_______________Ge n e ra l De s c rip t io n  
____________________________Fe a t u re s  
♦ Drives Backplane and Backlight  
♦ 4V to 30V Battery Voltage Range  
♦ Low 500µA Supply Current  
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.  
♦ Digital or Potentiometer Control of CCFL  
Brightness and LCD Bias Voltage  
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 p owe r-up , the LCD c ontra s t c ounte r a nd CCFL  
brightness counter are set to one-half scale.  
♦ Negative LCD Contrast (MAX753)  
♦ Positive LCD Contrast (MAX754)  
♦ Independent Shutdown of Backlight and  
Backplane Sections  
♦ 25µA Shutdown Supply Current  
The ICs are powered from a regulated 5V supply. The  
magnetics are connected directly to the battery, for  
maximum power efficiency.  
______________Ord e rin g In fo rm a t io n  
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.  
PART  
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  
PIN-PACKAGE  
16 Plastic DIP  
16 Narrow SO  
Dice*  
MAX753CPE  
MAX753CSE  
MAX753C/D  
MAX753EPE  
MAX753ESE  
MAX754CPE  
MAX754CSE  
MAX754C/D  
MAX754EPE  
MAX754ESE  
16 Plastic DIP  
16 Narrow SO  
16 Plastic DIP  
16 Narrow SO  
Dice*  
________________________Ap p lic a t io n s  
Notebook Computers  
Palmtop Computers  
Pen-Based Data Systems  
16 Plastic DIP  
16 Narrow SO  
Personal Digital Assistants  
Portable Data-Collection Terminals  
* Contact factory for dice specifications.  
__________________P in Co n fig u ra t io n  
TOP VIEW  
V
LFB  
DD  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
LADJ  
LON  
CON  
BATT  
LX  
LDRV  
PGND  
CDRV  
CS  
MAX753  
MAX754  
CADJ  
GND  
REF  
CFB  
CC  
DIP/SO  
Block Diagram located at end of data sheet.  
________________________________________________________________ Maxim Integrated Products  
1
Ca ll t o ll fre e 1 -8 0 0 -9 9 8 -8 8 0 0 fo r fre e s a m p le s o r lit e ra t u re .  
1234567...16

中文翻译

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