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AAT1121IES-0.6-T1 PDF预览

AAT1121IES-0.6-T1

更新时间: 2024-02-17 08:55:30
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光电二极管
页数 文件大小 规格书
20页 540K
描述
1.5MHz, 250mA Step-Down Converter

AAT1121IES-0.6-T1 技术参数

是否Rohs认证:符合生命周期:Obsolete
包装说明:SON, SOLCC8,.08,18Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.84Is Samacsys:N
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:CURRENT-MODE
JESD-30 代码:R-PDSO-N8端子数量:8
最高工作温度:85 °C最低工作温度:-40 °C
最大输出电流:0.25 A封装主体材料:PLASTIC/EPOXY
封装代码:SON封装等效代码:SOLCC8,.08,18
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
认证状态:Not Qualified子类别:Switching Regulator or Controllers
表面贴装:YES最大切换频率:1500 kHz
温度等级:INDUSTRIAL端子形式:NO LEAD
端子节距:0.45 mm端子位置:DUAL
Base Number Matches:1

AAT1121IES-0.6-T1 数据手册

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AAT1121  
1.5MHz, 250mA Step-Down Converter  
SwitchReg  
General Description  
Features  
The AAT1121 SwitchReg is a 1.5MHz step-down  
converter with an input voltage range of 2.7V to  
5.5V and output as low as 0.6V. Its low supply  
current, small size, and high switching frequency  
make the AAT1121 the ideal choice for portable  
applications.  
VIN Range: 2.7V to 5.5V  
VOUT Range: 0.6V to VIN  
250mA Max Output Current  
Up to 96% Efficiency  
30µA Typical Quiescent Current  
1.5MHz Switching Frequency  
Soft-Start Control  
Over-Temperature and Current Limit  
Protection  
100% Duty Cycle Low-Dropout Operation  
<1µA Shutdown Current  
The AAT1121 delivers 250mA of load current, while  
maintaining a low 30µA no load quiescent current.  
The 1.5MHz switching frequency minimizes the size  
of external components, while keeping switching  
losses low. The AAT1121 feedback and control  
delivers excellent load regulation and transient  
response with a small output inductor and capacitor.  
Small External Components  
Ultra-Small TDFN22-8 or STDFN22-8  
Package  
The AAT1121 is available in a Pb-free, 8-pin,  
2x2mm TDFN or STDFN package and is rated  
over the -40°C to +85°C temperature range.  
Temperature Range: -40°C to +85°C  
Applications  
Bluetooth™ Headsets  
Cellular Phones  
Digital Cameras  
Handheld Instruments  
Portable Music Players  
USB Devices  
Typical Application  
VIN  
VO = 1.8V  
250mA  
AAT1121  
L1  
VP  
VIN  
EN  
LX  
3.0μH  
R1  
118kΩ  
FB  
C1  
4.7µF  
R2  
59kΩ  
C2  
4.7µF  
GND  
PGND  
1121.2007.03.1.2  
1

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