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| 型号： | MAX8795AETJ+C7P |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/31页 |
| 文件大小： | 0K |
| 描述： | IC TFT-LCD DC/DC CONV 32-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 60 |
| 应用： | 转换器，TFT，LCD |
| 输入电压： | 2.5 V ~ 6 V |
| 输出数： | 8 |
| 输出电压： | 2.5 V ~ 18 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-WFQFN 裸露焊盘 |
| 供应商设备封装： | 32-TQFN-EP（5x5） |
| 包装： | 管件 |
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19-0793; Rev 5; 5/12
ATION
ILABLE
EVALU
AVA
KIT
TFT-LCD DC-DC Converter with
Operational Amplifiers
General Description
The MAX8795A includes a high-performance step-up
regulator, two linear-regulator controllers, and five high-
current operational amplifiers for active-matrix, thin-film
transistor (TFT), liquid-crystal displays (LCDs). Also
included is a logic-controlled, high-voltage switch with
adjustable delay.
The step-up DC-DC converter provides the regulated
supply voltage for the panel source driver ICs. The con-
verter is a high-frequency (1.2MHz) current-mode regu-
lator with an integrated 20V n-channel MOSFET that
allows the use of ultra-small inductors and ceramic
capacitors. It provides fast transient response to pulsed
loads while achieving efficiencies over 85%.
The gate-on and gate-off linear-regulator controllers
provide regulated TFT gate-on and gate-off supplies
using external charge pumps attached to the switching
node. The MAX8795A includes five high-performance
operational amplifiers. These amplifiers are designed to
drive the LCD backplane (VCOM) and/or the gamma-
correction divider string. The device features high out-
put current (±130mA), fast slew rate (45V/μs), wide
Features
o 2.5V to 5.5V Input Supply Range
o 1.2MHz Current-Mode Step-Up Regulator
Fast Transient Response to Pulsed Load
High-Accuracy Output Voltage (1%)
Built-In 20V, 3A, 0.16 ? n-Channel MOSFET
High Efficiency (85%)
o Linear-Regulator Controllers for V GON and V GOFF
o High-Performance Operational Amplifiers
±130mA Output Short-Circuit Current
45V/μs Slew Rate
20MHz, -3dB Bandwidth
Rail-to-Rail Inputs/Outputs
o Logic-Controlled, High-Voltage Switch with
Adjustable Delay
o Timer-Delay Fault Latch for All Regulator Outputs
o Thermal-Overload Protection
o 0.6mA Quiescent Current
Minimal Operating Circuit
bandwidth (20MHz), and rail-to-rail inputs and outputs.
The MAX8795A is available in a lead-free, 32-pin, thin
QFN package with a maximum thickness of 0.8mm for
ultra-thin LCD panels, as well as in a 32-pin LQFP
V IN
V CN
LX
V CP
V MAIN
package with 0.8mm pin pitch.
IN
STEP-UP
FB
CONTROLLER
Applications
Notebook Computer Displays
COMP
MAX8795A
PGND
AGND
V CP
LCD Monitor Panels
GATE-ON
CONTROLLER
DRVP
FBP
V GON
Automotive Displays
SRC
DEL
COM
SWITCH
CONTROL
Ordering Information
DRN
CTL
V CN
PART
MAX8795AETJ+
MAX8795AGCJ+
MAX8795AGCJ/V+
MAX8795AGTJ+
TEMP RANGE
-40 ° C to +85 ° C
-40 ° C to +105 ° C
-40 ° C to +105 ° C
-40 ° C to +105 ° C
PIN-PACKAGE
32 Thin QFN
32 LQFP
32 LQFP
32 TQFN
SUP
NEG1
OUT1
POS1
NEG2
OP1
GATE-OFF
CONTROLLER
REF
DRVN
FBN
REF
NEG4
V GOFF
MAX8795AGTJ/V+
-40 ° C to +105 ° C
32 TQFN
OUT2
OP2
OP4
OUT4
+Denotes a lead(Pb)-free/RoHS-compliant package.
/V denotes an automotive-qualified part.
POS2
POS4
NEG5
OUT3
OP3
OP5
OUT5
Pin Configurations appear at end of data sheet.
POS3
EP
BGND
POS5
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
1
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相关代理商/技术参数 |
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|---|---|
| MAX8795AEVKIT+ | 功能描述:电源管理IC开发工具 MAX8795A Eval Kit RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| MAX8795AGCJ/V+ | 功能描述:LCD 驱动器 TFT-LCD DC/DC Converter RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube |
| MAX8795AGCJ/V+T | 功能描述:LCD 驱动器 TFT-LCD DC/DC Converter RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube |
| MAX8795AGCJ+ | 功能描述:LCD 驱动器 TFT-LCD DC/DC Converter RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube |
| MAX8795AGCJ+T | 功能描述:LCD 驱动器 TFT-LCD DC/DC Converter RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube |
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