General Description

The ILC6377 is a 95 efficient, 300kHz step-down DC-DC converter in an SO-8 package; capable of delivering 500mA output current. The device is also capable of driving an external FET for higher output current applications.

Features

◆ ±2.5 accurate output voltages

◆ Guaranteed 500mA output current

◆ 95 efficiency

◆ 55mA no load battery input current

◆ 1.5mA shutdown current

◆ Built in short circuit and overcurrent protection

◆ Undervoltage lockout and soft-start

◆ External transistor drive available for higher Iout

◆ 300kHz operation

◆ Automatic switchover to PFM mode at low currents for longest battery life

◆ Fixed 3.3V or 5V or adjustable output

◆ SO-8 package

Applications

◆ Cellular Phones

◆ Palmtops and PDAs

◆ Portable Instrumentation

◆ Buck Converter for Industrial / Networking Applications