AMS317A ADMOS [Advanced Monolithic Systems], AMS317A Datasheet

AMS317A

Manufacturer Part Number

AMS317A

Description

1A LOW DROPOUT VOLTAGE REGULATOR

Manufacturer

ADMOS [Advanced Monolithic Systems]

Datasheet

1.AMS317A.pdf (8 pages)

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FEATURES

GENERAL DESCRIPTION

The

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.

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:

*For additional available fixed voltages contact factory.

PIN CONNECTIONS

FIXED VERSION

1- Ground

2- V

3- V

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

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

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

ADJUSTABLE AMS317ACT

FIXED*

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

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

Three Terminal Adjustable or Fixed Voltages*

Output Current of 1A

Operates Down to 1V Dropout

Line Regulation: 0.2% Max.

Load Regulation: 0.4% Max.

VOLTAGE

Advanced

Monolithic

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

Systems

OUTPUT

OUT

AMS317CT

AMS317ACT-X

AMS317CT-X

3 Lead TO-220

ADJUSTABLE VERSION

1- Adjust

2- V

3- V

OUT

OUTPUT

TAB IS

2 &3 Lead TO-263

AMS317ACM

AMS317CM

AMS317ACM-X

AMS317CM-X

TO-220 FRONT VIEW

PACKAGE TYPE

AMS317ACD

AMS317CD

AMS317ACD-X

AMS317CD-X

1A LOW DROPOUT VOLTAGE REGULATOR

TO-252

OUTPUT

APPLICATIONS

TAB IS

High Efficiency Linear Regulators

Post Regulators for Switching Supplies

5V to 3.3V Linear Regulator

Battery Chargers

Active SCSI Terminators

Power Management for Notebook

Battery Powered Instrumentation

SOT-223 Top View

TO-252 FRONT VIEW

AMS317A

AMS317

AMS317A-X

AMS317-X

SOT-223

TEMPERATURE RANGE

OPERATING JUNCTION

OUTPUT

TAB IS

AMS317

-40 to +125 C

2L TO-263 FRONT VIEW

TO-263 FRONT VIEW

0 to 125 C

Related parts for AMS317A

AMS317A Summary of contents

Page 1

... 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 VOLTAGE 3 Lead TO-220 ADJUSTABLE AMS317ACT AMS317CT FIXED* AMS317ACT-X AMS317CT-X X= 1.8V, 2.5V, 2.85V, 3.3V and 5.0V. ...

Page 2

... F Tantalum, OUT ( 3V OUT ADJ T = 25°C , 10Hz f 10kHz A TO-252 Package SOT-223 Package TO-220 / TO-263 Package AMS317 can vary from 46 C AMS317A AMS317 Min Typ Max Min Typ 1.238 1.250 1.262 1.225 1.250 1.225 1.250 1.270 1.20 1.250 1.782 1.800 1 ...

Page 3

Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. For guaranteed specifications and test conditions, see the . Electrical Characteristics The guaranteed specifications apply only for the test conditions listed. Parameters identified with boldface ...

Page 4

APPLICATION HINTS Load Regulation True remote load sensing it is not possible to provide, because the AMS317 is a three terminal device. The resistance of the wire connecting the regulator to the load will limit the load regulation. The data ...

Page 5

Table 1. COPPER AREA TOP SIDE* BACK SIDE BOARD AREA 2500 Sq. mm 2500 Sq. mm 1000 Sq. mm 2500 Sq. mm 225 Sq. mm 2500 Sq. mm 100 Sq. mm 2500 Sq. mm 1000 Sq. mm 1000 Sq. mm ...

Page 6

TYPICAL PERFORMANCE CHARACTERISTICS Temperature Stability 2.0 1.0 0 -1.0 -2.0 -50 - TEMPERATURE (°C) PACKAGE DIMENSIONS inches (millimeters) unless otherwise noted. 0.460-0.500 (11.684-12.700) 0.980-1.070 (24.892-27.178) 0.520-0.570 (13.208-14.478) 0.090-0.110 (2.286-2.794) Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA ...

Page 7

PACKAGE DIMENSIONS inches (millimeters) unless otherwise noted (Continued). 0.090-0.110 (2.286-2.794) 0.0295 (0.7495) TYP 0.090-0.110 (2.286-2.794) Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140 3 LEAD TO-263 PLASTIC DD (M) 0.165-0.180 0.060 (4.191-4.572) ...

Page 8

PACKAGE DIMENSIONS inches (millimeters) unless otherwise noted (Continued). 0.020-0.030 (0.508-0.762) 0.023-0.027 (0.584-0.685) 0.175-0.180 (4.191-4.445) 0.025 (0.635) TYP 0.088-0.092 (2.235-2.336) 0.264-0.287 (6.71-7.29) 0.130-0.146 (3.30-3.71) 0.090 (2.29) NOM 0.071 (1.80) MAX Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone ...

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