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| 型号： | MAX8727ETB+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/13页 |
| 文件大小： | 0K |
| 描述： | IC DC/DC CONV TFT-LCD 10-TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | 转换器，TFT，LCD |
| 输入电压： | 2.6 V ~ 5.5 V |
| 输出数： | 1 |
| 输出电压： | 2.6 V ~ 24 V |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN 裸露焊盘 |
| 供应商设备封装： | 10-TDFN-EP（3x3） |
| 包装： | 带卷 (TR) |
19-3480; Rev 1; 8/05
ATION
AILABL
EVALU E
AV
KIT
TFT-LCD Step-Up DC-DC Converter
General Description
The MAX8727 is a high-performance step-up DC-DC
converter that provides a regulated supply voltage for
active-matrix thin-film transistor (TFT) liquid-crystal dis-
plays (LCDs). The MAX8727 incorporates current-
mode, fixed-frequency, pulse-width modulation (PWM)
circuitry with a built-in n-channel power MOSFET to
achieve high efficiency and fast transient response.
Users can select 640kHz or 1.2MHz operation using a
logic input pin (FREQ). The high switching frequencies
allow the use of ultra-small inductors and low-ESR
ceramic capacitors. The current-mode architecture pro-
vides fast transient response to pulsed loads. A com-
pensation pin (COMP) gives users flexibility in adjusting
Features
? 90% Efficiency
? Adjustable Output from V IN to 24V
? 2.6V to 5.5V Input Supply Range
? Input Supply Undervoltage Lockout
? Pin-Programmable 640kHz/1.2MHz Switching
Frequency
? Programmable Soft-Start
? 0.1μA Shutdown Current
? Small 10-Pin Thin DFN Package
loop dynamics. The 30V internal MOSFET can generate
output voltages up to 24V from an input voltage
between 2.6V and 5.5V. Soft-start slowly ramps the input
current and is programmed with an external capacitor.
The MAX8727 is available in a 10-pin thin DFN package.
Ordering Information
Applications
Notebook Computer Displays
LCD Monitor Panels
PART
MAX8727ETB
MAX8727ETB+
TEMP RANGE
-40 ° C to +85 ° C
-40 ° C to +85 ° C
PIN-PACKAGE
10 Thin DFN 3mm x 3mm
10 Thin DFN 3mm x 3mm
+ Denotes lead-free package.
Pin Configuration
V IN
2.6V TO 5.5V
Minimal Operating Circuit
V OUT
TOP VIEW
6
LX
7
LX
COMP
1
10
SS
8
IN
FB
2
FB
2
9
FREQ
MAX8727
SHDN
3
MAX8727
8
IN
9
FREQ
GND 5
GND
4
7
LX
3
SHDN
GND
4
GND
5
6
LX
10
SS
COMP 1
THIN DFN
3mm x 3mm
________________________________________________________________ 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 |
|---|---|
| MAX8727EUB+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX8727EVKIT | 功能描述:电源管理IC开发工具 MAX8727 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 |
| MAX8728ETJ | 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 |
| MAX8728ETJ+ | 功能描述:直流/直流开关调节器 Power Supply for LCD/TV RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MAX8728ETJ+T | 功能描述:LCD 驱动器 Power Supply for LCD/TV 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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