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MAX8710|MAX8711|MAX8712 PDF预览

MAX8710|MAX8711|MAX8712

更新时间: 2024-09-14 23:51:59
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美信 - MAXIM 显示器电视
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23页 488K
描述
LCD display panel power supply TFT Monitor TV

MAX8710|MAX8711|MAX8712 数据手册

 浏览型号MAX8710|MAX8711|MAX8712的Datasheet PDF文件第2页浏览型号MAX8710|MAX8711|MAX8712的Datasheet PDF文件第3页浏览型号MAX8710|MAX8711|MAX8712的Datasheet PDF文件第4页浏览型号MAX8710|MAX8711|MAX8712的Datasheet PDF文件第5页浏览型号MAX8710|MAX8711|MAX8712的Datasheet PDF文件第6页浏览型号MAX8710|MAX8711|MAX8712的Datasheet PDF文件第7页 
19-3174; Rev 0; 1/04  
Low-Cost Linear-Regulator  
LCD Panel Power Supplies  
General Description  
Features  
The MAX8710/MAX8711/MAX8712 offer complete lin-  
ear-regulator power-supply solutions for thin-film tran-  
sistor (TFT) liquid-crystal-display (LCD) panels used in  
LCD monitors and LCD TVs. All three devices include a  
high-performance AVDD linear regulator, a positive  
charge-pump regulator, a negative charge-pump regu-  
lator, and built-in power-up sequence control. The  
MAX8710 and MAX8711 also include a high-current  
operational amplifier. Additionally, the MAX8710 pro-  
vides logic-controlled high-voltage switches to control  
the positive charge-pump output.  
High-Performance Linear Regulator  
1.6% Output Accuracy  
Works with Small Ceramic Output Capacitors  
Fast Transient Response  
Foldback Current Limit  
50mA Negative Regulated Charge Pump  
20mA Positive Regulated Charge Pump with  
Adjustable Delay  
Built-In Power-Up Sequence  
High-Current Operational Amplifier  
The linear regulator directly steps down the input volt-  
age to generate the supply voltage for the source-driver  
ICs (AVDD). The two built-in charge-pump regulators  
are used to generate the TFT gate-on and gate-off sup-  
plies. The high-current operational amplifier is typically  
used to drive the LCD backplane (VCOM) and features  
high output current (150mA), fast slew rate (12V/µs),  
(MAX8710/MAX8711)  
±150mA Output Short-Circuit Current  
12V/µs Slew Rate  
12MHz, -3dB Bandwidth  
Rail-to-Rail Inputs/Output  
Dual-Mode™ High-Voltage Switches (MAX8710)  
Thermal Protection  
®
and wide bandwidth (12MHz). Its Rail-to-Rail inputs  
and output maximize flexibility.  
Latched Fault Protection with Timer  
The MAX8710 is available in a 24-pin thin QFN package,  
the MAX8711 is available in a 16-pin thin QFN package,  
and the MAX8712 is available in a 12-pin thin QFN pack-  
age. All three packages are 4mm x 4mm with a maximum  
thickness of 0.8mm for ultra-thin LCD panel design. They  
operate over the -40°C to +100°C temperature range.  
Ordering Information  
PART  
TEMP RANGE  
PIN-PACKAGE  
MAX8710ETG -40°C to +100°C 24 Thin QFN 4mm x 4mm  
MAX8711ETE -40°C to +100°C 16 Thin QFN 4mm x 4mm  
MAX8712ETC -40°C to +100°C 12 Thin QFN 4mm x 4mm  
Applications  
LCD Monitor Panel Modules  
Minimum Operating Circuit  
LCD TV Panel Modules  
IN  
Pin Configurations  
IN  
GND  
REF  
INL  
OUTL  
FBL  
REF  
AVDD  
TOP VIEW  
FBN  
MAX8710  
SUPCP  
SHDN  
DRVP  
VIN  
GON  
DRN  
REF  
1
2
3
4
5
6
18 SHDN  
17 FBP  
VGOFF  
AVDD  
DRVN  
DLP  
16 THR  
15 SUPB  
14 OUTB  
POSB  
SUPB  
VP  
MAX8710  
POSB  
INL  
AVDD  
FBP  
SRC  
OUTB  
VCOM  
13  
NEGB  
GND  
NEGB  
MODE  
GON  
DRN  
VGON  
REF  
CTL  
CTL  
THR  
THIN QFN 4mm x 4mm  
Pin Configurations continued at end of data sheet.  
Rail-to-Rail is a registered trademark of Motorola, Ltd. Dual Mode is a trademark of Maxim Integrated Products, Inc.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  

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