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AMS317, AMS317-1.8, AMS317-2.5

Table of contents:
Info of AMS317
Info of AMS317-1.8
Info of AMS317-2.5

AMS317, AMS317-1.8, AMS317-2.5 Selling Leads, Datasheet

MFG:AMS Package Cooled:TO-223 D/C:08+/09+

AMS317, AMS317-1.8, AMS317-2.5 Datasheet download

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Part Number: AMS317

MFG: AMS

Package Cooled: TO-223

D/C: 08+/09+

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AMS317 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.

AMS317 Maximum Ratings

Power Dissipation                           Internally limited
Input Voltage                                                      25V
Operating Junction Temperature
         AMS317A                                 -40 to +125
          AMS317                                      0 to +125
Storage temperature                        -65 to +150
Soldering information
    Lead Temperature (10 sec)                          300
Thermal Resistance
    TO-220 package                               _JA= 50/W
    TO-263 package                               _JA= 30/W
    TO-252 package                               _JA= 80/W
    SOT-223 package                           _JA= 90/W^*

AMS317 Features

Three Terminal Adjustable or Fixed Voltages* 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.
TO-220, TO-263, TO-252 and SOT-223 package available

AMS317 Typical Application

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

AMS317 Connection Diagram

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