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参数资料
| 型号： | MAX8784ETL+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 13/24页 |
| 文件大小： | 0K |
| 描述： | IC REG STP UP W/AMP 40-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | LCD 电视机/监控器 |
| 电源电压： | 4 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 40-WFQFN 裸露焊盘 |
| 供应商设备封装： | 40-TQFN-EP（5x5） |
| 包装： | 带卷 (TR) |
Step-Up Regulator, Internal Charge Pumps, Switch
Control, and Operational Amplifier for TFT LCDs
Table 2. Component Suppliers
SUPPLIER
Fairchild Semiconductor
Sumida
TDK
Toshiba
PHONE
408-822-2000
847-545-6700
847-803-6100
949-455-2000
FAX
408-822-2102
847-545-6720
847-390-4405
949-859-3963
WEBSITE
www.fairchildsemi.com
www.sumida.com
www.component.tdk.com
www.toshiba.com/taec
VIN
POS1
SUP
SHDN
LX
AVDD
NEG1
OUT1
OSC
POS2
NEG2
OUT2
POS3
BOOST
PGND
FB
COMP
100k ?
330pF
MAX8784
RSET
OUT3
BGND
HVS
HVS
CONTROL
ADEL
VIN
VCC
BLOCK
SEQUENCE
CONTROL
GDEL
CTL
FROM TCON
REF
REF
HV
SWITCH
GON
DRN
VGON
BLOCK
AGND
POUT
FBN
NEGATIVE
REGULATOR
POSITIVE-
CHARGE
PUMP
FBP
AVDD
VGOFF
DRVN
BGND SUP
C1N
C1P
C2N C2P
AVDD
Figure 2. Functional Diagram
and TVs. It has a step-up switching regulator to gener-
ate the source-driver supply, two charge-pump regula-
tors to generate the positive and negative gate-driver
supplies, and three high-current operational amplifiers.
Each regulator features an adjustable output voltage
and digital soft-start. The step-up regulator has cycle-
by-cycle current limiting and uses a fixed-frequency
current-mode control architecture with fast transient
response and excellent line regulation.
The MAX8784 features a high-voltage switch-control
block, a very stable reference output, well-defined
power-up and power-down sequences, and thermal-
overload protection. Figure 2 shows the MAX8784 func-
tional block diagram.
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相关代理商/技术参数 |
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|---|---|
| MAX8784EVKIT+ | 功能描述:显示开发工具 MAX8784 Eval Kit RoHS:否 制造商:4D Systems 产品:4Display Shields 工具用于评估:?OLED-160-G1, ?OLED-160-G2 接口类型:Serial 工作电源电压:5 V |
| MAX8785AETI+ | 功能描述:显示驱动器和控制器 Full-Bridge CCFL Controller RoHS:否 制造商:Panasonic Electronic Components 工作电源电压:2.7 V to 5.5 V 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Reel |
| MAX8785AETI+T | 功能描述:显示驱动器和控制器 Full-Bridge CCFL Controller RoHS:否 制造商:Panasonic Electronic Components 工作电源电压:2.7 V to 5.5 V 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Reel |
| MAX8785AEVKIT# | 功能描述:LED 照明开发工具 MAX8785A Eval Kit RoHS:否 制造商:Fairchild Semiconductor 产品:Evaluation Kits 用于:FL7732 核心: 电源电压:120V 系列: 封装: |
| MAX8785ETI+ | 功能描述:显示驱动器和控制器 Full-Bridge CCFL Controller RoHS:否 制造商:Panasonic Electronic Components 工作电源电压:2.7 V to 5.5 V 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Reel |
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