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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - LinearLM317AT
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LM317AT - Texas Instruments

Manufacturer Part Number
LM317AT
Manufacturer
Texas Instruments
Allelco Part Number
32D-LM317AT
ECAD Model
Parts Description
IC REG LIN POS ADJ 1.5A TO220-3
Detailed Description
Package
TO-220-3
Data sheet
LM317A Datasheet.pdf
RoHs Status
ROHS3 Compliant
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Specifications

LM317AT Tech Specifications
Texas Instruments - LM317AT technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - LM317AT

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage Dropout (Max) -  
Voltage - Output (Min/Fixed) 1.25V  
Voltage - Output (Max) 37V  
Voltage - Input (Max) 40V  
Supplier Device Package TO-220-3  
Series -  
Protection Features Over Current, Over Temperature, Short Circuit  
Package / Case TO-220-3  
Package Tube  
Product Attribute Attribute Value  
PSRR 80dB ~ 65dB (120Hz)  
Output Type Adjustable  
Output Configuration Positive  
Operating Temperature -40°C ~ 125°C  
Number of Regulators 1  
Mounting Type Through Hole  
Current - Quiescent (Iq) 10 mA  
Current - Output 1.5A  
Control Features -  
Base Product Number LM317  

Parts Introduction

Manufacturer Part Number

LM317AT

Manufacturer

Texas Instruments

Introduction

The LM317AT is a widely used adjustable voltage regulator.

Product Features and Performance

Adjustable output voltage

Can supply more than 1.5A of load current

Output voltage range from 1.25V to 37V

Thermal overload protection

Current limit constant with temperature

Product Advantages

High PSRR of 80dB to 65dB at 120Hz

Flexibility in obtaining desired output voltage

Over Current and Over Temperature protection enhance reliability

Highly rugged and included in many reference designs

Key Technical Parameters

Input voltage up to 40V

Output current of 1.5A

Adjustable output from 1.25V to 37V

Low quiescent current of 10 mA

Wide operating temperature range from -40°C to +125°C

Quality and Safety Features

Current limiting and thermal protection

Short Circuit Protection

Compatibility

TO-220-3 package compatible with standard mounting processes

Application Areas

Power supplies

Consumer electronics

Motor drivers

Battery chargers

Product Lifecycle

Last Time Buy status indicates that it is nearing discontinuation

Replacement or upgrades may be available

Several Key Reasons to Choose This Product

Versatile use in power regulation applications

High reliability due to protection features

Extended operational lifetime with thermal protection

Ease of use with adjustable output voltage

Texas Instruments' reputation for quality and robustness

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments LM317AT

Product Attribute LM317AT LM317AMDTX LM317BD2TR4G LM317D2T
Part Number LM317AT LM317AMDTX LM317BD2TR4G LM317D2T
Manufacturer Texas Instruments Texas Instruments onsemi STMicroelectronics
Base Product Number LM317 LM317 LM317 LM317
Voltage Dropout (Max) - - - -
Control Features - - - -
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C 0°C ~ 125°C
Protection Features Over Current, Over Temperature, Short Circuit Over Current, Over Temperature, Short Circuit Over Current, Over Temperature, Short Circuit Over Current, Over Temperature, Short Circuit
Voltage - Output (Max) 37V 37V 37V 37V
Supplier Device Package TO-220-3 TO-252-3 D2PAK-3 D²PAK
Number of Regulators 1 1 1 1
Series - - - -
Current - Output 1.5A 1.5A 1.5A 1.5A
Current - Quiescent (Iq) 10 mA 10 mA 10 mA 10 mA
Voltage - Input (Max) 40V 40V 40V 40V
Package / Case TO-220-3 TO-252-3, DPak (2 Leads + Tab), SC-63 TO-263-3, D²Pak (2 Leads + Tab), TO-263AB TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
Voltage - Output (Min/Fixed) 1.25V 1.25V 1.2V 1.2V
PSRR 80dB ~ 65dB (120Hz) 80dB ~ 65dB (120Hz) 80dB ~ 65dB (120Hz) 80dB ~ 65dB (120Hz)
Output Configuration Positive Positive Positive Positive
Package Tube Tape & Reel (TR) Tape & Reel (TR) Tube
Output Type Adjustable Adjustable Adjustable Adjustable
Mounting Type Through Hole Surface Mount Surface Mount Surface Mount

LM317AT Datasheet PDF

Download LM317AT pdf datasheets and Texas Instruments documentation for LM317AT - Texas Instruments.

PCN Assembly/Origin
2.73KHz.pdf
HTML Datasheet
LM317A Datasheet.pdf

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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LM317AT Image

LM317AT

Texas Instruments
32D-LM317AT

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