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AMS1117CD-1.5

1A LOW DROPOUT VOLTAGE REGULATOR

Advanced Monolithic Systems Inc 

Advanced

Monolithic

Systems

FEATURES

• Three Terminal Adjustable or Fixed Voltages*

1.5V, 1.8V, 2.5V, 2.85V, 3.3V and 5.0V

• Output Current of 1A

• Operates Down to 1V Dropout

• Line Regulation: 0.2% Max.

• Load Regulation: 0.4% Max.

• SOT-223, TO-252 and SO-8 package available

AMS1117

1A LOW DROPOUT VOLTAGE REGULATOR

RoHS compliant

APPLICATIONS

• 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

GENERAL DESCRIPTION

The AMS1117 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 AMS1117 devices are pin compatible with other three-terminal SCSI regulators and are offered in the low profile surface

mount SOT-223 package, in the 8L SOIC package and in the TO-252 (DPAK) plastic package.

ORDERING INFORMATION:

PACKAGE TYPE

OPERATING JUNCTION

TO-252

SOT-223

8L SOIC

TEMPERATURE RANGE

AMS1117CD

AMS1117

AMS1117CS

AMS1117CD-1.5 AMS1117-1.5 AMS1117CS-1.5

AMS1117CD-1.8 AMS1117-1.8

AMS1117CS-1.8

AMS1117CD-2.5 AMS1117-2.5

AMS1117CS-2.5

AMS1117CD-2.85 AMS1117-2.85 AMS1117CS-2.85

AMS1117CD-3.3 AMS1117-3.3

AMS1117CS-3.3

AMS1117CD-5.0 AMS1117-5.0

AMS1117CS-5.0

*For additional available fixed voltages contact factory.

-40 to 125° C

-40 to 125° C

-40 to 125° C

-40 to 125° C

-40 to 125° C

-40 to 125° C

-40 to 125° C

PIN CONNECTIONS

SOT-223 Top View

3 PIN FIXED/ADJUSTABLE

VERSION

1- Ground/Adjust

2- VOUT

3- VIN

1

2

3

8L SOIC Top View

GND/ADJ 1

VOUT 2

VOUT 3

VIN 4

8 N/C

7 VOUT

6 VOUT

5 N/C

TO-252 FRONT VIEW

TAB IS

3

OUTPUT

2

1

Advanced Monolithic Systems, Inc. www.advanced-monolithic.com Phone (925) 443-0722 Fax (925) 443-0723

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