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参数资料
| 型号： | MAX1518BETJ+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/25页 |
| 文件大小： | 0K |
| 描述： | IC DC-DC CONV TFT-LCD 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： | 2.6 V ~ 6.5 V |
| 输出数： | 1 |
| 输出电压： | 2.6 V ~ 13 V |
| 工作温度： | -40°C ~ 100°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 |
19-3244; Rev 0; 10/05
ATION
EVALU
AVAIL
KIT
ABLE
TFT-LCD DC-DC Converter with
Operational Amplifiers
General Description
The MAX1518B includes a high-performance step-up
regulator, two linear-regulator controllers, and high-cur-
rent operational amplifiers for active-matrix, thin-film tran-
sistor (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 14V 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 MAX1518B 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 (±150mA), fast slew rate (13V/μs), wide
bandwidth (12MHz), and rail-to-rail inputs and outputs.
The MAX1518B is available in a 32-pin thin QFN pack-
Features
? 2.6V to 6.5V Input Supply Range
? 1.2MHz Current-Mode Step-Up Regulator
Fast Transient Response to Pulsed Load
High-Accuracy Output Voltage (1.5%)
Built-In 14V, 2.4A, 0.16 ? n-Channel MOSFET
High Efficiency (90%)
? Linear-Regulator Controllers for V GON and V GOFF
? High-Performance Operational Amplifiers
±150mA Output Short-Circuit Current
13V/μs Slew Rate
12MHz, -3dB Bandwidth
Rail-to-Rail Inputs/Outputs
? Logic-Controlled, High-Voltage Switch with
Adjustable Delay
? Timer-Delay Fault Latch for All Regulator Outputs
? Thermal-Overload Protection
? 0.6mA Quiescent Current
Minimal Operating Circuit
age with a maximum thickness of 0.8mm for ultra-thin
LCD panels.
Applications
Notebook Computer Displays
LCD Monitor Panels
V IN
IN
V CN
STEP-UP
CONTROLLER
LX
FB
PGND
V CP
V MAIN
Automotive Displays
COMP
AGND
V CP
MAX1518B
DRVP
GATE-ON
CONTROLLER
FBP
V GON
SRC
DEL
Ordering Information
COM
SWITCH
CONTROL
CTL
V CN
DRN
PART
TEMP
RANGE
PIN-PACKAGE
PKG
CODE
GATE-OFF
CONTROLLER
DRVN
V GOFF
MAX1518BETJ
-40 ° C to
+100 ° C
32 Thin QFN 5mm x 5mm
T3255-4
SUP
NEG1
OUT1
OP1
FBN
POS1
NEG2
REF
REF
NEG4
OUT2
POS2
OP2
OP4
OUT4
POS4
NEG5
OUT3
POS3
OP3
OP5
OUT5
POS5
BGND
Pin Configuration appears at end of data sheet.
________________________________________________________________ Maxim Integrated Products
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.
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1518BETJ+ | 功能描述:LCD 驱动器 TFT-LCD DC-DC Conv w/Op Amps 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 |
| MAX1518BETJ+T | 功能描述:LCD 驱动器 TFT-LCD DC-DC Conv w/Op Amps 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 |
| MAX1518ETJ | 功能描述:LCD 驱动器 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 |
| MAX1518ETJ+ | 功能描述:LCD 驱动器 TFT-LCD DC-DC Conv w/Op Amps 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 |
| MAX1518ETJ+T | 功能描述:LCD 驱动器 TFT-LCD DC-DC Conv w/Op Amps 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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