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AAT1141IGV-1.0-T1 PDF预览

AAT1141IGV-1.0-T1

更新时间: 2024-02-27 19:51:24
品牌 Logo 应用领域
ANALOGICTECH 转换器稳压器开关式稳压器或控制器电源电路开关式控制器
页数 文件大小 规格书
21页 1468K
描述
Fast Transient 600mA Step-Down Converter

AAT1141IGV-1.0-T1 技术参数

生命周期:Transferred包装说明:,
Reach Compliance Code:unknown风险等级:5.76
Base Number Matches:1

AAT1141IGV-1.0-T1 数据手册

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PRODUCT DATASHEET  
AAT1141  
SwitchRegTM  
FastTransient 600mA Step-Down Converter  
General Description  
Features  
The AAT1141 SwitchReg is a 2MHz step-down converter  
with an input voltage range of 2.7V to 5.5V and output  
voltage as low as 0.6V. It is optimized to react quickly to  
a load variation.  
• VIN Range: 2.7V to 5.5V  
• VOUT Fixed or Adjustable from 0.6V to VIN  
• 35μA No Load Quiescent Current  
• Up to 98% Efficiency  
• 600mA Max Output Current  
• 2MHz Switching Frequency  
• 150μs Soft Start  
• Fast Load Transient  
• Over-Temperature Protection  
• Current Limit Protection  
The AAT1141 is available in fixed voltage versions with  
internal feedback and a programmable version with  
external feedback resistors. It can deliver 600mA of load  
current while maintaining a low 35μA no load quiescent  
current. The 2MHz switching frequency minimizes the  
size of external components while keeping switching  
losses low.  
• 100% Duty Cycle Low-Dropout Operation  
• <1μA Shutdown Current  
The AAT1141 is designed to maintain high efficiency  
throughout the operating range, which is critical for por-  
table applications.  
• SOT23-5 Package  
Temperature Range: -40°C to +85°C  
The AAT1141 is available in a Pb-free SOT23-5 package  
and is rated over the -40°C to +85°C temperature  
range.  
Applications  
• Cellular Phones  
• Digital Cameras  
• Handheld Instruments  
• Microprocessor / DSP Core / IO Power  
• PDAs and Handheld Computers  
• USB Devices  
Typical Application (Fixed Output Voltage)  
U1  
AAT1141  
L1  
VIN  
VOUT  
LX  
IN  
4.7µH  
C2  
4.7µF  
EN  
OUT  
C1  
4.7µF  
GND  
w w w . a n a l o g i c t e c h . c o m  
1141.2008.07.1.4  
1

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