AMS34063 データシートの表示（PDF） - Advanced Monolithic Systems Inc

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AMS34063

DC-TO-DC CONVERTER CONTROL CIRCUIT

Advanced Monolithic Systems Inc 

AMS34063

GENERAL DESCRIPTION

The AMS34063 is a monolithic control

circuit containing the primary functions required

for DC/DC converters. The device consists of an

internal temperature compensated reference,

comparator, controlled duty cycle oscillator with

an active current limit circuit, driver and high

current output switch. This device is specifically

designed to be incorporated in step-down,

step-up and voltage-inverting applications with a

minimum number of external components. The

±2% internal reference and low quiescent current

of 1.6mA are among the improvements of the

device over the competition

FEATURES

‹ 3V to 40V Input Voltage Operation.

‹ Internal 1.5A Peak Current Switch.

‹ Internal ±2% Reference.

‹ Low Quiescent Current .

‹ Frequency Operation Up to 100KHz.

‹ Low Dropout Operation: 100% Duty Cycle

‹ Current Limiting.

‹ Standard DIP8 and SOP8 Packages

Applications

‹ DC-DC Converter Module

‹ ADSL Modems

‹ Hub.

‹ Battery Chargers

Functional Diagram

1

Advanced Monolithic Systems http://www.ams-semitech.com

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