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AAT2612IDG-6-T1 PDF预览

AAT2612IDG-6-T1

更新时间: 2024-01-31 02:08:01
品牌 Logo 应用领域
思佳讯 - SKYWORKS 转换器
页数 文件大小 规格书
18页 4214K
描述
Step-Down DC/DC Converter With Three High PSRR LDOs

AAT2612IDG-6-T1 技术参数

是否Rohs认证: 符合生命周期:Active
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.65
模拟集成电路 - 其他类型:SWITCHING REGULATORBase Number Matches:1

AAT2612IDG-6-T1 数据手册

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DATA SHEET  
AAT2612  
Step-Down DC/DC Converter WithThree High PSRR LDOs  
General Description  
Features  
The AAT2612 is a multiple rail power management IC. It  
integrates a 600mA high-frequency switching-converter  
and three 300mA linear regulators. The switching power  
supply is a highly-integrated monolithic step-down con-  
verter operating at 1.5MHz, achieving high efficiency with  
small external components. The three linear regulators  
are high PSRR low dropout regulators (LDOs) providing  
accurate regulation and excellent transient response.  
Current Mode Control DC/DC Converter:  
Programmable Output Up to 600mA  
1.5MHz Switching Frequency  
Up to 90% Efficiency  
Integrated Switching Power FETS  
Integrated Compensation Network  
Internal Current Limit  
3 Low Dropout Regulators with Separate Enable Pins:  
300mA per Channel  
High PSRR  
Factory Programmable Output  
The step down converter is programmable with external  
feedback resistors, and the three LDOs are fixed voltage  
outputs of six combinations for 1.8V, 2.8V, 3.0V and 3.3V.  
Integrated over-current or over-temperature protection  
circuitry becomes active as appropriate, when either fault  
occurs, and the AAT2612 recovers automatically when  
the fault is removed.  
Integrated Soft-Start  
Over-Current Protection  
Over-Thermal Protection  
TQFN33-20 Package  
The AAT2612 is available in a Pb-free, thermally enhanced  
20-pin TQFN33 package.  
Applications  
Cellular Phones  
I/O Power  
Memory Power  
Processor Core Power  
Smart Handheld Devices  
Typical Application  
2.5V to 5.5V  
INL1  
2.8 V  
OUTL1  
OUTL2  
300mA  
2.2μF  
1μF  
1μF  
2.8V  
300mA  
2.5V to 5.5V  
2.2μF  
INL2  
1.8V  
300mA  
ENL1  
ENL2  
ENL3  
OUTL3  
1μF  
AAT2612  
2.2μH  
ENBK  
1.2V, 600mA  
10μF  
LX  
2.5V to 5.5V  
4.7μF  
INBK  
FB  
AGND  
PGND  
R1  
59k  
R2  
59k  
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com  
1
202407B  
• Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 20, 2013  

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