1.5AStep-Down/Step-Up/Inverting DC-DC Converter

Description

l The MC34063A is a monolithic switching regulatorcontrol circuit which contains the primary functions required for DC-DC converters. This device consistsof internal temperature compensated reference, voltage comparator, controlled duty cycle oscillator with activecurrent limit circuit, driver and high current outputswitch.

l The MC34063A is specifically designed as a general DC-DC converter to be used in Step-Down, Step-Upand Voltage-Inverting applications with a minimumnumber of external components.

l The MC34063A is available in package :SOP-8

Features

l Operation fom 3.0V to 36V Input

l Low Standby Current

l Current Limiting

l Output Switch Current to 1.5A

l Output Voltage Adjustable  

l Operation Frequency up to 180kHz

l Precision 2% Reference

Application

l Battery Chargers

l ADSL Modems

l Hubs

l Negative Voltage Power Supplies