ET-MC34063 查看數據表（PDF） - Estek Electronics Co. Ltd

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ET-MC34063

DC to DC Converter Controller

Estek Electronics Co. Ltd 

ET- MC34063

DC to DC Converter Controller

‹ 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.

‹ Block Diagram

‹ Features

¾ Operation from 3.0V to 40V

¾ Low Standby Current.

¾ Current Limiting

¾ Output Switch Current to 1.2A

¾ Output Voltage Adjustable

¾ Operation Frequency up to 180KHz

(CT=100pF)

¾ Precision 2% Reference

‹ Applications

¾ Battery Chargers

¾ ADSL Modems

¾ NICs/Switches/Hubs

¾ Negative Voltage Power Supplies

‹ Pin Description

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Copyright @ Estek Electronics Co., Ltd

Version 0.3

27 Sep 2011

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