General Description

The TC115 is a high-efficiency step-up DC/DC converter for small, low input voltage or battery powered systems. This device has a start-up voltage of 0.9V and a typical supply current of 80 µA.

Features

• High Efficiency at Low Output Load Currents via PFM Mode

• Assured Start-up at 0.9V

• 80 µA (Typ) Supply Current

• 85% Typical Efficiency at 100 mA

• 140 mA Typical Output Current @ VIN = 2.0V

• Low Power Shutdown Mode

• No External Switching Transistor Needed

• Space-Saving SOT-89 Package

Applications

• Pagers

• Cellular Phones

• Palmtops

• 1-Cell to 3-Cell Battery Powered Systems

• Cameras, Video Recorders

• Local +3V to +5V Supplies