AS1337 Datasheet (austriamicrosystems AG)

AS1337, DC-DC Step-Up Converter

The AS1337 is a synchronous, fixed frequency, highefficiency DC-DC boost converter capable of supplying 3.3V @ 200mA from two AA Cells.

Compact size and minimum external parts requirements make these devices perfect for modern portable devices.

The AS1337 offers automatic powersave mode to increase

AS1337 Features

* ! ! ! ! ! ! ! ! ! ! ! ! Input Voltage Range: 0.65V to 4.5V Low Start-Up Voltage: 0.85V Output Voltage Range: 2.5V to 5.0V Delivers 200mA @ 3.3V (from two AA Cell) up to 97% Efficiency High-Speed Fixed-Frequency: 1.2MHz Single-Cell Operation Internal PMOS Synchronous Rectifier Automatic Powersave Op