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AMS2908CD

800mA 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 800mA

• Operates Down to 1V Dropout

• Line Regulation: 0.2% Max.

• Load Regulation: 0.4% Max.

• SOT-223 and TO-252 package available

AMS2908

800mA 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 AMS2908 series of adjustable and fixed voltage regulators are designed to provide 800mA 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 AMS2908 devices are pin compatible with other three-terminal regulators and are offered in the low profile surface mount

SOT-223 package and in the TO-252 (DPAK) plastic package.

ORDERING INFORMATION:

PACKAGE TYPE

OPERATING JUNCTION

TO-252

SOT-223

TEMPERATURE RANGE

AMS2908CD

AMS2908

AMS2908CD-1.5

AMS2908-1.5

AMS2908CD-1.8

AMS2908-1.8

AMS2908CD-2.5

AMS2908-2.5

AMS2908CD-2.85 AMS2908-2.85

AMS2908CD-3.3

AMS2908-3.3

AMS2908CD-5.0

AMS2908-5.0

*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

FIXED VERSION

ADJUSTABLE VERSION

1- VIN

2- Ground

3- VOUT

1- VIN

2- Adjust

3- VOUT

SOT-223 Top View

1

2

3

TO-252 FRONT VIEW

3

2

1

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

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