General Description
The AAT1106 SwitchReg™ is a 1.5MHz constant frequency current mode PWM step-down converter with a unique adaptive slope compensation scheme allowing the device to operate with a lower range of inductor values to optimize size and provide efficient operation. It is ideal for portable equipment powered by single-cell Lithium-ion batteries and is optimized for high efficiency, achieving levels up to 96%.

FEATUREs
• VIN Range: 2.5V to 5.5V
• VOUT: Adjustable 0.6V to VIN
• Up to 600mA Output Current
• Up to 96% Efficiency
• 1.5MHz Switching Frequency
• 100% Duty Cycle Dropout Operation
• Adaptive Slope Compensated Current Mode Control for Excellent Line and Load Transient Response
• <1µA Shutdown Current
• Short-Circuit and Thermal Fault Protection
• TSOT23-5 Package
• -40°C to +85°C Temperature Range

APPLICATIONs
• Cellular Phones, Smartphones
• Digital Still Cameras
• Digital Video Cameras
• Microprocessor and DSP Core Supplies
• MP3 and Portable Media Players
• PDAs
• Wireless and DSL Modems