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AAT1145 Datasheet (PDF) - Skyworks Solutions Inc.

AAT1145 Datasheet PDF - Skyworks Solutions Inc.
Part # AAT1145
Download  AAT1145 Download

File Size   1404.8 Kbytes
Page   18 Pages
Manufacturer  SKYWORKS [Skyworks Solutions Inc.]
Direct Link  http://www.skyworksinc.com
Logo SKYWORKS - Skyworks Solutions Inc.
Description 1.5A Step-Down Converter

AAT1145 Datasheet (PDF)

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AAT1145 Datasheet PDF - Skyworks Solutions Inc.

Part # AAT1145
Download  AAT1145 Click to download

File Size   1404.8 Kbytes
Page   18 Pages
Manufacturer  SKYWORKS [Skyworks Solutions Inc.]
Direct Link  http://www.skyworksinc.com
Logo SKYWORKS - Skyworks Solutions Inc.
Description 1.5A Step-Down Converter

AAT1145 Datasheet (HTML) - Skyworks Solutions Inc.

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AAT1145 Product details

General Description
The AAT1145 SwitchReg™ is a 1.2MHz constant frequency current mode PWM step-down converter. It is ideal for portable equipment requiring very high current up to 1.5A from single-cell Lithium-ion batteries while still achieving over 90% efficiency during peak load conditions. The AAT1145 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.

Features
• Input Voltage Range: 2.5V to 5.5V
• Output Voltages from 0.6V to VIN
• 1.5A Output Current
• High Efficiency: Up to 95%
• 1.2MHz Constant Switching Frequency
• Low RDS(ON) Internal Switches: 135mΩ, 95mΩ
• 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
• -40°C to +85°C Temperature Range

Applications
• Cellular Phones
• Digital Cameras
• DSP Core Supplies
• PDAs
• Portable Instruments
• Smart Phones




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