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参数资料
| 型号： | MAX17075ETG+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/23页 |
| 文件大小： | 0K |
| 描述： | IC DC-DC CONV W/CHRG PUMP 24TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 75 |
| 应用： | LCD 电视机/监控器 |
| 电流 - 电源： | 4mA |
| 电源电压： | 2.3 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-WFQFN 裸露焊盘 |
| 供应商设备封装： | 24-TQFN-EP（4x4） |
| 包装： | 管件 |
EVALUATION KIT AVAILABLE
MAX17075
Boost Regulator with Integrated Charge Pumps,
Switch Control, and High-Current Op Amp
General Description
The MAX17075 includes a high-voltage boost regulator,
one high-current operational amplifier, two regulated
charge pumps, and one MLG block for gate-driver
supply modulation.
The step-up DC-DC converter is a 1.2MHz current-
mode boost regulator with a built-in power MOSFET. It
provides fast load-transient response to pulsed loads
while producing efficiencies over 85%. The built-in
160m ? (typ) power MOSFET allows output voltages as
high as 18V boosted from inputs ranging from 2.5V to
5.5V. A built-in 7-bit digital soft-start function controls
startup inrush currents.
The gate-on and gate-off charge pumps provide regu-
lated TFT gate-on and gate-off supplies. Both output
voltages can be adjusted with external resistive
voltage-dividers.
The operational amplifier, typically used to drive the
LCD backplane (VCOM), features high-output short-cir-
cuit current (±500mA), fast slew-rate (45V/μs), wide
bandwidth (20MHz), and rail-to-rail outputs.
The MAX17075 is available in a 24-pin thin QFN pack-
age with 0.5mm lead spacing. The package is a square
(4mm x 4mm) with a maximum thickness of 0.8mm for
Features
? 2.5V to 5.5V Input Operating Range
? Current Mode Step-Up Regulator
Fast-Transient Response
Built-In 20V, 3A, 0.16 ? n-Channel Power MOSFET
Cycle-by-Cycle Current Limit
87% Efficiency (5V Input to 13V Output)
1.2MHz Switching Frequency
±1% Output Voltage Regulation Accuracy
? High-Current 18V VCOM Buffer
±500mA Output Short-Circuit Current
45V/μs Slew Rate
20MHz -3dB Bandwidth
Rail-to-Rail Output
? Regulated Charge Pump for TFT Gate-On Supply
? Regulated Charge Pump for TFT Gate-Off Supply
? Logic-Controlled High-Voltage Switches with
Adjustable Delay
? Soft-Start and Timed Delay Fault Latch for All
Outputs
? Overload and Thermal Protection
Simplified Operating Circuit
ultra-thin LCD design. It operates over the -40°C to
+105°C temperature range.
Applications
Notebook Computer Displays
LCD Monitor Panels
V IN
2.5V TO 5.5V
R1
10 ?
C5
1 μ F
VCC
LX
PGND
FROM
SYSTEM
V MAIN
LCD TVs
TO V COM
OUT
FB
COMP
3.3V
V IN
V AVDD
Ordering Information
BGND
MAX17075
PART
TEMP RANGE
PIN-PACKAGE
NEG
RST
RSTIN
MAX17075ETG+
MAX17075GTG/V+
*EP = Exposed pad.
-40 ° C to +85 ° C
-40 ° C to +105 ° C
24 TQFN-EP*
24 TQFN-EP*
POS
REF
AGND
DRN
COM
SRC
V GON
+Denotes a lead(Pb)-free/RoHS-compliant package.
/V denotes an automotive qualified part.
V GOFF
FBN
DRVN
DRVP
BGND
SUP CTL EP
FROM
FBP
DEL
Pin Configuration appears at end of data sheet.
TCON
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
19-4353; Rev 2; 12/12
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX17075ETG+ | 功能描述:直流/直流开关转换器 Boost-Regulator w/Charge Pump RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX17075ETG+T | 功能描述:直流/直流开关转换器 Boost-Regulator w/Charge Pump RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX17075EVKIT+ | 功能描述:电源管理IC开发工具 MAX17075 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 |
| MAX17077AETM+ | 功能描述:低压差稳压器 - LDO Hybrid 500mA RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MAX17077AETM+T | 功能描述:低压差稳压器 - LDO Hybrid 500mA RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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