General Description

The AAT1161 is an 800kHz high efficiency step down DC-DC converter with wide input voltage range. With 4.0V to 13.2V input rating, the AAT1161 is the perfect choice for 2-cell Li+ battery powered devices and mid power range regulated 12V powered applications. The internal power switch is capable of delivering up to 3A load current.

Features

• Input Voltage Range: 4.0V to 13.2V

• Up to 3A Load Current

• Fixed or Adjustable Output:

▪ Output Voltage: 0.6V to VIN

• Less than 1μA Shutdown Current

• Up to 95 Efficiency

• Integrated High-Side Power Switch

• External Schottky Rectifier

• 800kHz Switching Frequency

• Soft Start Function

• Short-Circuit and Over-Temperature Protection

• Minimum External Components

• Tiny 14-pin 3x3mm TDFN Package

• Temperature Range: -40°C to +85°C

Applications

• Digital Camcorders

• Industrial Applications

• Portable DVD Players

• Rack Mounted Systems

• Set Top Boxes