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AAT1153IDE-0.6-T1 PDF预览

AAT1153IDE-0.6-T1

更新时间: 2024-02-26 19:32:27
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
20页 686K
描述
2A Step-Down Converter

AAT1153IDE-0.6-T1 技术参数

是否Rohs认证: 符合生命周期:Obsolete
包装说明:SON, SOLCC10,.12,20Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.81模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:CURRENT-MODEJESD-30 代码:R-PDSO-N10
端子数量:10最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流:2 A
封装主体材料:PLASTIC/EPOXY封装代码:SON
封装等效代码:SOLCC10,.12,20封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified子类别:Switching Regulator or Controllers
表面贴装:YES最大切换频率:1440 kHz
温度等级:INDUSTRIAL端子形式:NO LEAD
端子节距:0.5 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED

AAT1153IDE-0.6-T1 数据手册

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PRODUCT DATASHEET  
AAT1153  
2A Step-Down Converter  
General Description  
Features  
The AAT1153 SwitchReg™ is a 1.2MHz constant fre-  
quency current mode PWM step-down converter. It is  
ideal for portable equipment requiring very high current  
up to 2A from single-cell Lithium-ion batteries while still  
achieving over 90% efficiency during peak load condi-  
tions. The AAT1153 also can run at 100% duty cycle for  
low dropout operation, extending battery life in portable  
systems while light load operation provides very low  
output ripple for noise sensitive applications.  
Input Voltage Range: 2.5V to 5.5V  
• Output Voltages from 0.6V to VIN  
• 2A Output Current  
• High Efficiency: Up to 95%  
• 1.2MHz Constant Switching Frequency  
• Low RDS(ON) Internal Switches: 0.15Ω  
• Allows Use of Ceramic Capacitors  
• Current Mode Operation for Excellent Line and Load  
Transient Response  
• Short-Circuit and Thermal Fault Protection  
• Soft Start  
• Low Dropout Operation: 100% Duty Cycle  
• Low Shutdown Current: ISHUTDOWN < 1μA  
• TDFN33-10 Package  
The AAT1153 can supply up to 2A output load current  
from a 2.5V to 5.5V input voltage and the output voltage  
can be regulated as low as 0.6V. The high switching fre-  
quency minimizes the size of external components while  
keeping switching losses low. The internal slope compen-  
sation setting allows the device to operate with smaller  
inductor values to optimize size and provide efficient  
operation.  
• -40°C to +85°C Temperature Range  
Applications  
The AAT1153 is available in adjustable (0.6V to VIN) and  
fixed (1.8V) output voltage versions. The device is avail-  
able in a Pb-free, 3mm x 3mm 10-lead TDFN package  
and is rated over the -40°C to +85°C temperature  
range.  
• Cellular Phones  
• Digital Cameras  
• DSP Core Supplies  
• PDAs  
• Portable Instruments  
• Smart Phones  
Typical Application  
L1  
2.2μH  
VOUT  
1.8V, 2A  
VIN 2.5V-5.5V  
1
8
7
LX  
LX  
EN  
2
IN  
AAT1153-1.8  
C1  
22μF  
C2  
22μF  
3
5
AIN  
OUT  
10  
9
6
4
AGND  
AGND  
PGND  
PGND  
w w w . a n a l o g i c t e c h . c o m  
1153.2007.11.1.1  
1

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