General Description

The AZ34063C is a monolithic switching regulator control circuit containing the primary functions required for DC-DC converters. This device consists of internal temperature compensated reference, voltage comparator, controlled duty cycle oscillator with active current limit circuit, driver and high current output switch. This device is specifically designed to be used in Step-Down, Step-Up and Voltage-Inverting applications with a minimum number of external components.

Features

• Operation from 3.0V to 36V Input

• Low Standby Current

• Current Limiting

• Output Switch Current to 0.8A

• Output Voltage Adjustable

• Operation Frequency up to 180KHz (CT=100pF)

• Precision 2 Reference

Applications

• Battery Chargers

• NICs/ Switches/ Hubs

• ADSL Modems

• Negative Voltage Power Supplies