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AAT1162IRN-0.6-T1 PDF预览

AAT1162IRN-0.6-T1

更新时间: 2024-01-26 21:20:25
品牌 Logo 应用领域
思佳讯 - SKYWORKS 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
19页 2637K
描述
12V, 1.5A Step-Down DC/DC Converter

AAT1162IRN-0.6-T1 技术参数

是否Rohs认证: 符合生命周期:Obsolete
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.84
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:CURRENT-MODE
JESD-30 代码:R-PDSO-N16端子数量:16
最高工作温度:85 °C最低工作温度:-40 °C
最大输出电流:1.5 A封装主体材料:PLASTIC/EPOXY
封装代码:SON封装等效代码:SOLCC16,.12,18
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:1000 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

AAT1162IRN-0.6-T1 数据手册

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DATA SHEET  
AAT1162  
12V, 1.5A Step-Down DC/DC Converter  
Functional Block Diagram  
LDO  
AIN  
IN  
Note1  
FB  
LDO  
Current  
Sense Amp  
+
-
+
-
+
Error  
Amp  
Control  
Logic  
Current  
Mode  
-
LX  
Comparator  
Reference  
PGND  
AGND  
EN  
DGND  
COMP  
.
Note1: For fixed output voltage versions, FB is connected to the  
error amplifier through the resistive voltage divider shown.  
back for improved short-circuit performance, and ther-  
mal overload protection to prevent damage in the event  
of an external fault condition.  
Functional Description  
The AAT1162 is a current-mode step-down DC/DC con-  
verter that operates over a wide 4V to 13.2V input volt-  
age range and is capable of supplying up to 1.5A to the  
load with the output voltage regulated as low as 0.6V.  
Both the P-channel power switch and N-channel syn-  
chronous rectifier are internal, reducing the number of  
external components required. The output voltage is  
adjusted by an external resistor divider; fixed output  
voltage versions are available upon request. The regula-  
tion system is externally compensated, allowing the cir-  
cuit to be optimized for each application. The AAT1162  
includes cycle-by-cycle current limiting, frequency fold-  
Control Loop  
The AAT1162 regulates the output voltage using con-  
stant frequency current mode control. The AAT1162  
monitors current through the high-side P-channel  
MOSFET and uses that signal to regulate the output volt-  
age. This provides improved transient response and  
eases compensation. Internal slope compensation is  
included to ensure the current “inside loop” stability.  
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com  
9
201998B  
• Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 20, 2013  

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