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34063M

0.8A STEP-DOWN/STEP-UP/INVERTING DC-DC CONVERTER

American Accurate Components, Inc. 

0.8A STEP-DOWN/STEP-UP/INVERTING DC-DC CONVERTER

General Description

Features

Data Sheet

AZ34063

The AZ34063 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 com-

ponents.

• 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 65KHz (CT=330pF)

• Precision 2% Reference

Applications

The AZ34063 is available in 2 packages: SOIC-8 and

DIP-8.

g Battery Chargers

g NICs/ Switches/ Hubs

g ADSL Modems

g Negative Voltage Power Supplies

SOIC-8

DIP-8

Figure 1. Package Types of AZ34063

Apr. 2005 Rev. 2. 1

BCD Semiconductor Manufacturing Limited

1

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