Datasheet > AV1085

AV1085

更新时间： 2024-02-05 05:27:54

品牌	Logo	应用领域
AVICTEK		稳压器
页数	文件大小	规格书
7页	104K
描述
3A Adjustable Low Dropout Linear Regulator (LDO)

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AV1085 数据手册

AV1085

TO-252,263,220

3A Adjustable Low Dropout

Linear Regulator (LDO)

@vic

GENERAL DESCRIPTION

FEATURES

The AV1085 is a positive and low dropout

three-terminal voltage regulator with 3A out-

put current capability. This device is design-

ed for use in low voltage applications that

offers lower dropout voltage and faster tran-

sient response.

Very easy to use, it requires only two

external resistors to set the output voltage

Low dropout voltage:

1.3V typical at up to 3A

Low ground current

Fast transient response

Current & thermal limiting

Line regulation: 0.5% typical

Load regulation: 0.5% typical

TO-220, TO-263 and TO-252 packages

This device is fully protected against over

current faults, over temperature operation,

reversed input polarity, reversed lead insert-

ion, transient voltage spike …etc.

On-Chips trimming the reference voltage to

1% and features the low dropout of maxi-

mum 1.45 volts.

APPLICATIONS

High current microprocessor supplies

Low voltage logic supply

The AV1085 Series regulators are available

in the popular industry standard TO-220

TO-263 and TO-252 packages.

Powering VGA & sound card

Portable instrumentation

Constant current regulator

Post regulator for switching power supply

TYPICAL APPLICATION

Vin

Vout

AV1085

OUT

ADJ

Vref

Cin

Cout

10uF

Iadj

Vo = Vref (1+R2/R1) + Iadj x R2

1. Cin needed if device is far from from filter capacitors.

2. Cout required for stability.

- Basic Adjustable Regulator Circuit -

MAY-31-2001

12 3 4 5 6 7

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