Datasheet > AMS317-285

AMS317-285

更新时间： 2025-07-21 22:53:51

品牌	Logo	应用领域
ADMOS		稳压器
页数	文件大小	规格书
8页	82K
描述
1A LOW DROPOUT VOLTAGE REGULATOR

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AMS317-285 数据手册

Advanced

Monolithic

Systems

AMS317

1A LOW DROPOUT VOLTAGE REGULATOR

FEATURES

APPLICATIONS

· Three Terminal Adjustable or Fixed Voltages*

1.8V, 2.5V, 2.85V, 3.3V and 5.0V

· Output Current of 1A

· High Efficiency Linear Regulators

· Post Regulators for Switching Supplies

· 5V to 3.3V Linear Regulator

· Battery Chargers

· Operates Down to 1V Dropout

· Line Regulation: 0.2% Max.

· Active SCSI Terminators

· Load Regulation: 0.4% Max.

· TO-220, TO-263, TO-252 and SOT-223 package available

· Power Management for Notebook

· Battery Powered Instrumentation

GENERAL DESCRIPTION

The AMS317 series of adjustable and fixed voltage regulators are designed to provide 1A output current and to operate down

to 1V input-to-output differential. The dropout voltage of the device is guaranteed maximum 1.3V at maximum output

current, decreasing at lower load currents.

On-chip trimming adjusts the reference voltage to 1%. Current limit is also trimmed, minimizing the stress under overload

conditions on both the regulator and power source circuitry.

The AMS317 devices are pin compatible with other three-terminal regulators and are offered in 3 lead TO-220 package, in

the 2 & 3 Lead TO-263 (Plastic DD), in the TO-252 (D PAK) and in the low profile surface mount SOT-223 package.

ORDERING INFORMATION:

OUTPUT

PACKAGE TYPE

3 Lead TO-220 2 &3 Lead TO-263 TO-252

OPERATING JUNCTION

TEMPERATURE RANGE

SOT-223

AMS317A

AMS317

VOLTAGE

ADJUSTABLE AMS317ACT

AMS317CT

AMS317ACM

AMS317CM

AMS317ACD

AMS317CD

-40 to +125° C

0 to 125° C

FIXED*

AMS317ACT-X

AMS317CT-X

AMS317ACM-X

AMS317CM-X

AMS317ACD-X AMS317A-X

-40 to +125° C

0 to 125° C

AMS317CD-X

AMS317-X

X= 1.8V, 2.5V, 2.85V, 3.3V and 5.0V.

*For additional available fixed voltages contact factory.

SOT-223 Top View

PIN CONNECTIONS

TO-263 FRONT VIEW

FIXED VERSION

ADJUSTABLE VERSION

TAB IS

OUTPUT

1- Ground

2- V_OUT

3- V_IN

1- Adjust

2- V_OUT

3- V_IN

TO-252 FRONT VIEW

2L TO-263 FRONT VIEW

TO-220 FRONT VIEW

TAB IS

OUTPUT

TAB IS

OUTPUT

TAB IS

OUTPUT

Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140

12 3 4 5 6 7 8

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