Description
The MC34063 is a monolithic switching regulator control circuit containing the primary functions required for DC-DC converters. This devices consists of internal temperature compensated reference, voltage comparator, controlled duty cycle oscillator with active current limit circuit, driver and high current output switch. The device is specifically designed to be incorporated in step-down,step-up and voltage-inverting applications with a minimum number of external components.

Features
► Operation from 3.0V to 40V
► Low Standby Current.
► Current Limiting
► Output Switch Current to 1.2A
► Output Voltage Adjustable
► Operation Frequency up to 180KHz (CT=100pF)
► Precision 2% Reference

Applications
► Battery Chargers
► ADSL Modems
► NICs/Switches/Hubs
► Negative Voltage Power Supplies