SPX2940T 데이터 시트보기 (PDF) - Exar Corporation

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SPX2940T

1A Low Dropout Voltage Regulator

Exar Corporation 

August 2009

GENERAL DESCRIPTION

The SPX2940 is a 1A, accurate voltage

regulators with a low drop out voltage of

280mV (typical) at 1A.

These regulators are specifically designed for

low voltage applications that require a low

dropout voltage and a fast transient response.

They are fully fault protected against over-

current, reverse battery, and positive and

negative voltage transients.

The SPX2940 is offered in 3-pin TO-220 & TO-

263 packages. For a 3A version, refer to the

SPX29300 data sheet.

TYPICAL APPLICATION DIAGRAM

SPX2940

1A Low Dropout Voltage Regulator

Rev. 2.0.0

APPLICATIONS

• Power Supplies

• LCD Monitors

• Portable Instrumentation

• Medical and Industrial Equipments

FEATURES

• Guaranteed 1.5A Peak Current

• Low Quiescent Current

• Low Dropout Voltage of 280mV at 1A

• Extremely Tight Load and Line

Regulation

• Extremely Fast Transient Response

• Reverse-battery Protection

• Internal Thermal Protection

• Internal Short Circuit Current Limit

• Replacement for LM2940, MIC2940A,

AS2940

• Standard TO-220 and TO-263 packages

Fig. 1: SPX2940 Application Diagram – Fixed Output Linear Regulator

Exar Corporation

48720 Kato Road, Fremont CA 94538, USA

www.exar.com

Tel. +1 510 668-7000 – Fax. +1 510 668-7001

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